Update vehicle_thinkcity.c

;    Changes:
;    2.2  27.08.2013 (Haakon)
;         - TX to can-bus introdused to request car_tpem, car_tmotor_, car_ambient_temp and tc_charger_temp in k-line style.
;           TX is located in idlepoll()
;         - SMS fault printout gives list of active faults only and the count
;         - SMS code "DEBUG" is renamed to "FLAG" and the result is a list of active flags only
;         - STAT printout on SMS is rearranged
;         - Cleanup of Twizy leftovers
;         - Tested with master v2.5.2