Merge pull request #51 from SaharMMesri/develop

Added files for SWARMband project (application)
indentation, indentation, indentation
FW-198. A minor fix for SCons help, and remove some commented code
Merge pull request #52 from kb2ma/FW-198

FW-198. A minor fix for SCons help, and remove some commented code
+driver radio cc2538 working
Changing synchronization parsing on acks. When PORT-SIGNED_WIDTH was uint32 timecorrection was incorrectly calculated causing motes to desynchronize every 20 sec. aprox. Forcing uint16 and int16 to cast timeCorrection from ACK_IE.