diff --git a/libraries/u8glib/u8g_rot.c b/libraries/u8glib/u8g_rot.c
deleted file mode 100644
--- a/libraries/u8glib/u8g_rot.c
+++ /dev/null
@@ -1,409 +0,0 @@
-/*
-
-  u8g_rot.c
-
-  Universal 8bit Graphics Library
-  
-  Copyright (c) 2011, olikraus@gmail.com
-  All rights reserved.
-
-  Redistribution and use in source and binary forms, with or without modification, 
-  are permitted provided that the following conditions are met:
-
-  * Redistributions of source code must retain the above copyright notice, this list 
-    of conditions and the following disclaimer.
-    
-  * Redistributions in binary form must reproduce the above copyright notice, this 
-    list of conditions and the following disclaimer in the documentation and/or other 
-    materials provided with the distribution.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
-  CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 
-  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
-  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
-  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
-  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
-  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
-  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
-  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
-  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
-  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
-  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
-  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  
-  
-  
-*/
-
-#include "u8g.h"
-
-uint8_t u8g_dev_rot90_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
-uint8_t u8g_dev_rot180_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
-uint8_t u8g_dev_rot270_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
-
-uint8_t u8g_dev_rot_dummy_fn(void *u8g, void *dev, uint8_t msg, void *arg)
-{
-  return 0;
-}
-
-u8g_dev_t u8g_dev_rot = { u8g_dev_rot_dummy_fn, NULL, NULL };
-
-
-void u8g_UndoRotation(u8g_t *u8g)
-{
-  if ( u8g->dev != &u8g_dev_rot )
-    return;
-  u8g->dev = u8g_dev_rot.dev_mem;
-  u8g_UpdateDimension(u8g);
-}
-
-void u8g_SetRot90(u8g_t *u8g)
-{
-  if ( u8g->dev != &u8g_dev_rot )
-  {
-    u8g_dev_rot.dev_mem = u8g->dev;
-    u8g->dev = &u8g_dev_rot;
-  }
-  u8g_dev_rot.dev_fn = u8g_dev_rot90_fn;
-  u8g_UpdateDimension(u8g);
-}
-
-void u8g_SetRot180(u8g_t *u8g)
-{
-  if ( u8g->dev != &u8g_dev_rot )
-  {
-    u8g_dev_rot.dev_mem = u8g->dev;
-    u8g->dev = &u8g_dev_rot;
-  }
-  u8g_dev_rot.dev_fn = u8g_dev_rot180_fn;
-  u8g_UpdateDimension(u8g);
-}
-
-void u8g_SetRot270(u8g_t *u8g)
-{
-  if ( u8g->dev != &u8g_dev_rot )
-  {
-    u8g_dev_rot.dev_mem = u8g->dev;
-    u8g->dev = &u8g_dev_rot;
-  }
-  u8g_dev_rot.dev_fn = u8g_dev_rot270_fn;
-  u8g_UpdateDimension(u8g);
-}
-
-uint8_t u8g_dev_rot90_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
-{
-  u8g_dev_t *rotation_chain = (u8g_dev_t *)(dev->dev_mem);
-  switch(msg)
-  {
-    default:
-    /*
-    case U8G_DEV_MSG_INIT:
-    case U8G_DEV_MSG_STOP:
-    case U8G_DEV_MSG_PAGE_FIRST:
-    case U8G_DEV_MSG_PAGE_NEXT:
-    case U8G_DEV_MSG_SET_COLOR_ENTRY:
-    case U8G_DEV_MSG_SET_XY_CB:
-    */
-      return u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
-#ifdef U8G_DEV_MSG_IS_BBX_INTERSECTION
-    case U8G_DEV_MSG_IS_BBX_INTERSECTION:
-      {
-        u8g_dev_arg_bbx_t *bbx = (u8g_dev_arg_bbx_t *)arg;
-        u8g_uint_t x, y, tmp;
-        
-        /* transform the reference point */
-        y = bbx->x;
-        x = u8g->height;
-        /* x = u8g_GetWidthLL(u8g, rotation_chain); */
-        x -= bbx->y; 
-        x--;
-        
-        /* adjust point to be the uppler left corner again */
-        x -= bbx->h;
-        x++;
-        
-        /* swap box dimensions */        
-        tmp = bbx->w;
-        bbx->w = bbx->h;
-        bbx->h = tmp;
-        
-        /* store x,y */
-        bbx->x = x;
-        bbx->y = y;
-      }
-      return u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
-#endif /* U8G_DEV_MSG_IS_BBX_INTERSECTION */
-    case U8G_DEV_MSG_GET_PAGE_BOX:
-      /* get page size from next device in the chain */
-      u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
-      //printf("pre x: %3d..%3d y: %3d..%3d   ", ((u8g_box_t *)arg)->x0, ((u8g_box_t *)arg)->x1, ((u8g_box_t *)arg)->y0, ((u8g_box_t *)arg)->y1);
-      {
-	u8g_box_t new_box;
-	//new_box.x0 = u8g_GetHeightLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->y1 - 1;
-	//new_box.x1 = u8g_GetHeightLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->y0 - 1;
-	
-	new_box.x0 = ((u8g_box_t *)arg)->y0;
-	new_box.x1 = ((u8g_box_t *)arg)->y1;
-	new_box.y0 = ((u8g_box_t *)arg)->x0;
-	new_box.y1 = ((u8g_box_t *)arg)->x1;
-	*((u8g_box_t *)arg) = new_box;
-	//printf("post x: %3d..%3d y: %3d..%3d\n", ((u8g_box_t *)arg)->x0, ((u8g_box_t *)arg)->x1, ((u8g_box_t *)arg)->y0, ((u8g_box_t *)arg)->y1);
-      }
-      break;
-    case U8G_DEV_MSG_GET_WIDTH:
-      *((u8g_uint_t *)arg) = u8g_GetHeightLL(u8g,rotation_chain);
-      break;
-    case U8G_DEV_MSG_GET_HEIGHT:
-      *((u8g_uint_t *)arg) = u8g_GetWidthLL(u8g, rotation_chain);
-      break;
-    case U8G_DEV_MSG_SET_PIXEL:
-    case U8G_DEV_MSG_SET_TPIXEL:
-      {
-        u8g_uint_t x, y;
-        y = ((u8g_dev_arg_pixel_t *)arg)->x;
-        x = u8g_GetWidthLL(u8g, rotation_chain);
-        x -= ((u8g_dev_arg_pixel_t *)arg)->y; 
-        x--;
-        ((u8g_dev_arg_pixel_t *)arg)->x = x;
-        ((u8g_dev_arg_pixel_t *)arg)->y = y;
-      }
-      u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
-      break;
-    case U8G_DEV_MSG_SET_8PIXEL:
-    case U8G_DEV_MSG_SET_4TPIXEL:
-      {
-        u8g_uint_t x, y;
-	//uint16_t x,y;
-        y = ((u8g_dev_arg_pixel_t *)arg)->x;
-        x = u8g_GetWidthLL(u8g, rotation_chain);
-        x -= ((u8g_dev_arg_pixel_t *)arg)->y; 
-        x--;
-        ((u8g_dev_arg_pixel_t *)arg)->x = x;
-        ((u8g_dev_arg_pixel_t *)arg)->y = y;
-        ((u8g_dev_arg_pixel_t *)arg)->dir+=1;
-        ((u8g_dev_arg_pixel_t *)arg)->dir &= 3;
-      }
-      u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
-      break;
-  }
-  return 1;
-}
-
-uint8_t u8g_dev_rot180_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
-{
-  u8g_dev_t *rotation_chain = (u8g_dev_t *)(dev->dev_mem);
-  switch(msg)
-  {
-    default:
-    /*
-    case U8G_DEV_MSG_INIT:
-    case U8G_DEV_MSG_STOP:
-    case U8G_DEV_MSG_PAGE_FIRST:
-    case U8G_DEV_MSG_PAGE_NEXT:
-    case U8G_DEV_MSG_SET_COLOR_ENTRY:
-    case U8G_DEV_MSG_SET_XY_CB:
-    */
-      return u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
-#ifdef U8G_DEV_MSG_IS_BBX_INTERSECTION
-    case U8G_DEV_MSG_IS_BBX_INTERSECTION:
-      {
-        u8g_dev_arg_bbx_t *bbx = (u8g_dev_arg_bbx_t *)arg;
-        u8g_uint_t x, y;
-        
-        /* transform the reference point */
-        //y = u8g_GetHeightLL(u8g, rotation_chain);
-        y = u8g->height;
-        y -= bbx->y; 
-        y--;
-        
-        //x = u8g_GetWidthLL(u8g, rotation_chain);
-        x = u8g->width;
-        x -= bbx->x; 
-        x--;
-        
-        /* adjust point to be the uppler left corner again */
-        y -= bbx->h;
-        y++;
-        
-        x -= bbx->w;
-        x++;
-                
-        /* store x,y */
-        bbx->x = x;
-        bbx->y = y;
-      }
-      return u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
-#endif /* U8G_DEV_MSG_IS_BBX_INTERSECTION */
-    case U8G_DEV_MSG_GET_PAGE_BOX:
-      /* get page size from next device in the chain */
-      u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
-      //printf("pre x: %3d..%3d y: %3d..%3d   ", ((u8g_box_t *)arg)->x0, ((u8g_box_t *)arg)->x1, ((u8g_box_t *)arg)->y0, ((u8g_box_t *)arg)->y1);
-      {
-	u8g_box_t new_box;
-	
-	new_box.x0 = u8g_GetWidthLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->x1 - 1;
-	new_box.x1 = u8g_GetWidthLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->x0 - 1;
-	new_box.y0 = u8g_GetHeightLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->y1 - 1;
-	new_box.y1 = u8g_GetHeightLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->y0 - 1;
-	*((u8g_box_t *)arg) = new_box;
-	//printf("post x: %3d..%3d y: %3d..%3d\n", ((u8g_box_t *)arg)->x0, ((u8g_box_t *)arg)->x1, ((u8g_box_t *)arg)->y0, ((u8g_box_t *)arg)->y1);
-      }
-      break;
-    case U8G_DEV_MSG_GET_WIDTH:
-      *((u8g_uint_t *)arg) = u8g_GetWidthLL(u8g,rotation_chain);
-      break;
-    case U8G_DEV_MSG_GET_HEIGHT:
-      *((u8g_uint_t *)arg) = u8g_GetHeightLL(u8g, rotation_chain);
-      break;
-    case U8G_DEV_MSG_SET_PIXEL:
-    case U8G_DEV_MSG_SET_TPIXEL:
-      {
-        u8g_uint_t x, y;
-
-        y = u8g_GetHeightLL(u8g, rotation_chain);
-        y -= ((u8g_dev_arg_pixel_t *)arg)->y; 
-        y--;
-        
-        x = u8g_GetWidthLL(u8g, rotation_chain);
-        x -= ((u8g_dev_arg_pixel_t *)arg)->x; 
-        x--;
-        
-        ((u8g_dev_arg_pixel_t *)arg)->x = x;
-        ((u8g_dev_arg_pixel_t *)arg)->y = y;
-      }
-      u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
-      break;
-    case U8G_DEV_MSG_SET_8PIXEL:
-    case U8G_DEV_MSG_SET_4TPIXEL:
-      {
-        u8g_uint_t x, y;
-        
-        y = u8g_GetHeightLL(u8g, rotation_chain);
-        y -= ((u8g_dev_arg_pixel_t *)arg)->y; 
-        y--;
-        
-        x = u8g_GetWidthLL(u8g, rotation_chain);
-        x -= ((u8g_dev_arg_pixel_t *)arg)->x; 
-        x--;
-        
-        ((u8g_dev_arg_pixel_t *)arg)->x = x;
-        ((u8g_dev_arg_pixel_t *)arg)->y = y;
-        ((u8g_dev_arg_pixel_t *)arg)->dir+=2;
-        ((u8g_dev_arg_pixel_t *)arg)->dir &= 3;
-      }
-      u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
-      break;
-  }
-  return 1;
-}
-
-uint8_t u8g_dev_rot270_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
-{
-  u8g_dev_t *rotation_chain = (u8g_dev_t *)(dev->dev_mem);
-  switch(msg)
-  {
-    default:
-    /*
-    case U8G_DEV_MSG_INIT:
-    case U8G_DEV_MSG_STOP:
-    case U8G_DEV_MSG_PAGE_FIRST:
-    case U8G_DEV_MSG_PAGE_NEXT:
-    case U8G_DEV_MSG_SET_COLOR_ENTRY:
-    case U8G_DEV_MSG_SET_XY_CB:
-    */
-      return u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
-#ifdef U8G_DEV_MSG_IS_BBX_INTERSECTION
-    case U8G_DEV_MSG_IS_BBX_INTERSECTION:
-      {
-        u8g_dev_arg_bbx_t *bbx = (u8g_dev_arg_bbx_t *)arg;
-        u8g_uint_t x, y, tmp;
-        
-        /* transform the reference point */
-        x = bbx->y;
-        
-        y = u8g->width;
-        /* y = u8g_GetHeightLL(u8g, rotation_chain); */
-        y -= bbx->x; 
-        y--;
-                
-        /* adjust point to be the uppler left corner again */
-        y -= bbx->w;
-        y++;
-        
-        /* swap box dimensions */        
-        tmp = bbx->w;
-        bbx->w = bbx->h;
-        bbx->h = tmp;
-        
-        /* store x,y */
-        bbx->x = x;
-        bbx->y = y;
-      }
-      return u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
-#endif /* U8G_DEV_MSG_IS_BBX_INTERSECTION */
-    case U8G_DEV_MSG_GET_PAGE_BOX:
-      /* get page size from next device in the chain */
-      u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
-      //printf("pre x: %3d..%3d y: %3d..%3d   ", ((u8g_box_t *)arg)->x0, ((u8g_box_t *)arg)->x1, ((u8g_box_t *)arg)->y0, ((u8g_box_t *)arg)->y1);
-      {
-	u8g_box_t new_box;
-	
-	new_box.x0 = u8g_GetHeightLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->y1 - 1;
-	new_box.x1 = u8g_GetHeightLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->y0 - 1;
-	new_box.y0 = u8g_GetWidthLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->x1 - 1;
-	new_box.y1 = u8g_GetWidthLL(u8g,rotation_chain) - ((u8g_box_t *)arg)->x0 - 1;
-	*((u8g_box_t *)arg) = new_box;
-	//printf("post x: %3d..%3d y: %3d..%3d\n", ((u8g_box_t *)arg)->x0, ((u8g_box_t *)arg)->x1, ((u8g_box_t *)arg)->y0, ((u8g_box_t *)arg)->y1);
-      }
-      break;
-    case U8G_DEV_MSG_GET_WIDTH:
-      *((u8g_uint_t *)arg) = u8g_GetHeightLL(u8g,rotation_chain);
-      break;
-    case U8G_DEV_MSG_GET_HEIGHT:
-      *((u8g_uint_t *)arg) = u8g_GetWidthLL(u8g, rotation_chain);
-      break;
-    case U8G_DEV_MSG_SET_PIXEL:
-    case U8G_DEV_MSG_SET_TPIXEL:
-      {
-        u8g_uint_t x, y;
-        x = ((u8g_dev_arg_pixel_t *)arg)->y;
-        
-        y = u8g_GetHeightLL(u8g, rotation_chain);
-        y -= ((u8g_dev_arg_pixel_t *)arg)->x; 
-        y--;
-          
-        /*
-        x = u8g_GetWidthLL(u8g, rotation_chain);
-        x -= ((u8g_dev_arg_pixel_t *)arg)->y; 
-        x--;
-        */
-        ((u8g_dev_arg_pixel_t *)arg)->x = x;
-        ((u8g_dev_arg_pixel_t *)arg)->y = y;
-      }
-      u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
-      break;
-    case U8G_DEV_MSG_SET_8PIXEL:
-    case U8G_DEV_MSG_SET_4TPIXEL:
-      {
-        u8g_uint_t x, y;
-        x = ((u8g_dev_arg_pixel_t *)arg)->y;
-        
-        y = u8g_GetHeightLL(u8g, rotation_chain);
-        y -= ((u8g_dev_arg_pixel_t *)arg)->x; 
-        y--;
-          
-        /*
-        x = u8g_GetWidthLL(u8g, rotation_chain);
-        x -= ((u8g_dev_arg_pixel_t *)arg)->y; 
-        x--;
-        */
-        ((u8g_dev_arg_pixel_t *)arg)->x = x;
-        ((u8g_dev_arg_pixel_t *)arg)->y = y;
-        ((u8g_dev_arg_pixel_t *)arg)->dir+=3;
-        ((u8g_dev_arg_pixel_t *)arg)->dir &= 3;
-      }
-      u8g_call_dev_fn(u8g, rotation_chain, msg, arg);
-      break;
-  }
-  return 1;
-}
-