Syntax and encoding fixes (commaai#111)

* Fix syntax error in Honda Civic Touring comment

Add escaping to nested quotes in comment.

* Convert caddilac_ct6_powertrain.dbc to UTF-8

Fixes decoding issue of the degrees rune.

* Convert gm_global_a_powertrain.dbc to UTF-8

Fixes decoding issue of the degrees rune.

Author: odsod

cadillac_ct6_powertrain.dbc

@@ -189,7 +189,7 @@ BO_ 1033 ASCMKeepAlive: 7 NEO
  SG_ ASCMKeepAliveAllZero : 7|56@0+ (1,0) [0|0] ""  NEO
 
 BO_ 1217 ECMEngineCoolantTemp: 8 K20_ECM
- SG_ EngineCoolantTemp : 23|8@0+ (1,-40) [0|0] "�C"  NEO
+ SG_ EngineCoolantTemp : 23|8@0+ (1,-40) [0|0] "°C"  NEO
 
 BO_ 1249 VIN_Part2: 8 K20_ECM
  SG_ VINPart2 : 7|64@0+ (1,0) [0|0] ""  NEO

generator/honda/honda_civic_touring_2016_can.dbc

@@ -126,7 +126,7 @@ BO_ 1302 ODOMETER: 8 XXX
 
 CM_ SG_ 401 GEAR "10 = reverse, 11 = transition";
 CM_ SG_ 420 BRAKE_HOLD_RELATED "On when Brake Hold engaged";
-CM_ SG_ 450 EPB_STATE "3 "engaged" 2 "disengaging" 1 "engaging" 0 "disengaged"";
+CM_ SG_ 450 EPB_STATE "3 \"engaged\" 2 \"disengaging\" 1 \"engaging\" 0 \"disengaged\"";
 CM_ SG_ 806 REVERSE_LIGHT "Might be reverse gear selected and not the lights";
 
 VAL_ 399 STEER_STATUS 5 "fault" 4 "no_torque_alert_2" 2 "no_torque_alert_1" 0 "normal" ;

gm_global_a_powertrain.dbc

@@ -180,7 +180,7 @@ BO_ 1033 ASCMKeepAlive: 7 NEO
 BO_ 1034 ASCM_40A: 7 K124_ASCM
 
 BO_ 1217 ECMEngineCoolantTemp: 8 K20_ECM
- SG_ EngineCoolantTemp : 23|8@0+ (1,-40) [0|0] "�C"  NEO
+ SG_ EngineCoolantTemp : 23|8@0+ (1,-40) [0|0] "°C"  NEO
 
 BO_ 1249 VIN_Part2: 8 K20_ECM
  SG_ VINPart2 : 7|64@0+ (1,0) [0|0] ""  NEO

honda_civic_touring_2016_can_generated.dbc

@@ -355,7 +355,7 @@ BO_ 1302 ODOMETER: 8 XXX
 
 CM_ SG_ 401 GEAR "10 = reverse, 11 = transition";
 CM_ SG_ 420 BRAKE_HOLD_RELATED "On when Brake Hold engaged";
-CM_ SG_ 450 EPB_STATE "3 "engaged" 2 "disengaging" 1 "engaging" 0 "disengaged"";
+CM_ SG_ 450 EPB_STATE "3 \"engaged\" 2 \"disengaging\" 1 \"engaging\" 0 \"disengaged\"";
 CM_ SG_ 806 REVERSE_LIGHT "Might be reverse gear selected and not the lights";
 
 VAL_ 399 STEER_STATUS 5 "fault" 4 "no_torque_alert_2" 2 "no_torque_alert_1" 0 "normal" ;