Started port to Arduino Mega 2560. Adding board and pin definitions.
Started port to Arduino Mega 2560. Adding board and pin definitions.

jeditekunum/Cosa,dansut/Cosa,kc9jud/Cosa,jeditekunum/Cosa,SinishaDjukic/Meshwork,mikaelpatel/Cosa,kc9jud/Cosa,mikaelpatel/Cosa,dansut/Cosa,kc9jud/Cosa,dansut/Cosa,SinishaDjukic/Meshwork,mikaelpatel/Cosa,jeditekunum/Cosa,rrobinet/Cosa,SinishaDjukic/Meshwork,rrobinet/Cosa,rrobinet/Cosa,kc9jud/Cosa,dansut/Cosa,rrobinet/Cosa,jeditekunum/Cosa,mikaelpatel/Cosa,SinishaDjukic/Meshwork