Adding enum field to int types that are linked with an enum
APM: added COMPASSMOT_STATUS message

used to report status during compassmot calibration
pymavlink: added rtscts handling for mavproxy
pymavlink: added armed() function for mavextra
pymavlink: raise version
common: added POWER_STATUS message

used to report on power status of Pixhawk
Added the ability to set the digital relays on the APM
make dfreader more robust against corrupt log files
mavutil: prevent GCS HEARTBEAT messages from breaking mavgraph

this fixes the armed() check
Merge branch 'master' into enable_set_relay
pymavlink: make mavtomfile use a lot less ram
pymavlink: added zero_time_base
pymavlink: added --zero-time-base option to mavlogdump and mavgraph
Moved data transmission and encapsulated data messages to common message set
dfreader: remove print
Merge pull request #171 from thomasgubler/dfreader

make dfreader more robust against corrupt log files
fix DFReader timebase calculation from GPSTime
DFReader: add rewinds in _find_time_base
Merge pull request #172 from thomasgubler/dfreader_timebase

Fix DFReader timebase
Merged data transmission packets