Added RTx Controller LED.
Merge branch 'master' of http://github.com/psas/stm32

Conflicts:
	common/util/utils_led.c
Added diagnostic message sockets to RTx and RTx manual.
Merge branch 'master' of http://github.com/psas/stm32
Completed debugging of RTx manual control. Added diagnostics messages available on rtx_manual shell.