* integrated Peter Fleury's LCD library for HD44780 LCDs
* fixed typo
* cleanup finished
* add documentation
* added HD44780 documentation
* removed keyboard from .gitmodules
* resolved merge conflict
* removed edit of kira75s rules.mk made by merge
* moved hd44780 to drivers/avr
* Added licence info to hd44780 files
* Added link to hd44780 docs.
