Update Player.h

adds the telishield key for the player.def & script to use.  When set to 1, the player will take no damage.  Done this way so we can check it and also apply other effects such as player skin changing.

game/Player.h

@@ -335,6 +335,7 @@ public:
 	int						weapon_fists;
 
 	int						heartRate;
+	int						telishield;		//revility 2018 no damage key in player def
 	idInterpolate<float>	heartInfo;
 	int						lastHeartAdjust;
 	int						lastHeartBeat;