quanton: added mavlink output support
mavlink bridge: fixed division by zero
quanton: raised mavlink tx buffer to 128
mavlink: set default stack size to 800
quanton: set maximum com devs to 6
freedom: added mavlink tx support
quanton: refactored mavlink settings to match freedom and cc
flyingf3: added mavlink tx support
all pios_board.c: removed 0 init of globals
flyingf3: reduce mavlink tx buffer to 32 bytes
flyingf4: add mavlink tx support
FF3, FF4, quanton makefiles: fixed whitespace
mavlinkbridge: prevent division by zero
mavlink bridge: use DEG2RAD from physical_constants.h
fixed several license headers
mavlink bridge: add safer handling of division by zero
mavlink bridge: fixed header to reflect TauLabs