Update README.md
Support for MEGA, GPL3.0, nonintrusive SPI
Update Gateway/Node examples to support MEGA
Updates & MEGA support
Update to radio.ACKRequested()

Use radio.ACKRequested() to avoid unwanted ACKs on broadcasts
Update README.md
Add MightyBoost control sketch
Updated README.md. 

Spelling fix of `Sample`
Merge pull request #12 from plattrap/patch-1

Updated README.md.
added ATmega32U4 support
Merge pull request #13 from sourceindex/add_arduino_micro_support

added ATmega32U4 support
synchronizing with parent repository
synchronizing with parent repository
synchronizing with parent repository
synchronizing with parent repository
synchronizing with parent repository
synchronizing with parent repository
synchronizing with parent repository
synchronizing with parent repository