Added USB KeyboardController library
Fixed pull-up.
Adding ATmega644P check to ATmega1284P check.
Reordered boards menu
Avoid null-pointer exception with old-style third-party hardware folders.
modified TWI handler
Merge branch 'master' of github.com:arduino/ARM
Reduced upload delay for programming port
Merge branch 'master' of github.com:arduino/ARM
Updated bossac
Merge branch 'scheduler'
Scheduler: rename sleep in wait; fixed example
Fixed Ehternet lib DNS bug.
tuned costant for pulseIn
Merge branch 'master' of github.com:arduino/ARM
removed the final X in the ip_product string
Added Starter Kit examples
Fixed typo in PachubeClientString example
Adjusted off-by-one naming for Serial object: Serial2/3/4 => Serial1/2/3
Adjusted boards/variants