add U8glib library to Arduino1.x includes
FIX: adopted latest changes from hitachi implementation
Removed STB custom font hack from u8glib library and moved to marlin project
Added RepRapDiscount FULL GRAPHIC Smart Controller
FIX: Speedup - no explicit display clear needed in u8glib
Merge pull request #452 from MStohn/Marlin_v1

128x64 RepRapDiscount Full Graphic Smart Controller support
Add (as an option) slower SD transfer mode
Merge pull request #456 from Stefanowicz/Marlin_v1

Add (as an option) slower SD transfer mode
fix DEFAULT_AXIS_STEPS_PER_UNIT minor Z rounding error
Merge pull request #459 from martinxyz/fix-rounding-error

fix DEFAULT_AXIS_STEPS_PER_UNIT minor Z rounding error
Solved minor bug in controllerFan()

Extruder 2 was checked where extruder 1 should be checked.
Merge pull request #464 from arnoudja/Marlin_v1

Solved minor bug in controllerFan()
Replace the <= to < in the Command M907, M350 and M351.
The for loop for Axis count over the Array.
Add a break after M907
If CORE_XY is in use X and Y Axis had to be activated at the same time
Merge pull request #466 from midopple/Marlin_v1

BUG Fix in Commands M907,M350 and M351
added support for the reprapworld keypad
changes:
- changed the variables from keypad to reprapworld_keypad
- added a missing ifdef check
Merge pull request #472 from gregor2005/Marlin_v1

added support for the reprapworld keypad
Upstream merge