add_eeprom_liquidcrystal
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* Changed the core lib against a newer one. (ARDUINO >= 100)
	* New core includes also WString, WCharacter and the standard definitions like digitalWrite.
* Added EEPROM, LiquidCrystal, LiquidCrystal_I2C and Wire libs to the project
	* All libs are in separate folders containing CMakeLists.txt for them.
	* Wire lib is needed for the I2C interface.
* Modified all include paths to match with our include paths.
* Included the code for the display test in the main.cc, but it is commented out.
* Added a #define ARDUINO 100 to the top level CMakeLists.txt.
	* This forces all libraries to choose the right include (Arduino.h, not WProgram.h).
* Build succeeds
Merge branch 'add_eeprom_liquidcrystal' into dev