Update vehicle_thinkcity.c

Bugfix, airbag lamp control
Merge pull request #133 from thinkcity/master

Update vehicle_thinkcity.c
Add tr vece 1533
Merge branch 'master' of https://github.com/openvehicles/Open-Vehicle-Monitoring-System.git
Issue: SMS Response #135
Dont use net_msg_cmd_msg in vehicle mode, instead use msg, to allow sms messages to issue commands
Dont use net_msg_cmd_msg in vehicle mode, instead use msg, to allow sms messages to issue commands
Make ALL sms responses include time, if possible
Include timezone in time shown in sms responses
Allow ACC acc_handle_msg to choose to handle a particular message
carbit feature FEATURE_CB_SSMSTIME to allow suppress sms time comments
First implemention of net_fnbits NET_FN_CARTIME
Precision changes to led_carticker (ovms mailing list subject "Tick math" October 2014)
Comments regarding 104.8576ms timer1
- SMS "MODULE?" output in "MODULE" parameter order (user suggestion)
Merge branch 'master' of https://github.com/openvehicles/Open-Vehicle-Monitoring-System.git
Twizy documentation updates:
- moved Twizy documentation to sub folder
- added CAN object dictionary sheet (german)
- added german FAQ
- added italian guide (thanks to Francesco Cariati)
- added details on motor and gear box to user guide
- minor updates to user guide
- 12V alert: hysteresis raised to 0.6V to suppress flapping alerts,
  alert state reset on CarON to remind after driving