Implement mob and client melee push

New rules:
Combat:MeleePush turns melee push on/off
Combat:MeleePushChance is the chance that an NPC will be pushed
Clients are pushed every successful hit, need to verify or disprove this

common/patches/rof.cpp

@@ -658,7 +658,9 @@ namespace RoF
 		OUT(type);
 		OUT(spellid);
 		OUT(damage);
-		eq->sequence = emu->sequence;
+		OUT(force)
+		OUT(meleepush_xy);
+		OUT(meleepush_z)
 
 		FINISH_ENCODE();
 	}
@@ -4389,7 +4391,7 @@ namespace RoF
 		IN(type);
 		IN(spellid);
 		IN(damage);
-		emu->sequence = eq->sequence;
+		IN(meleepush_xy);
 
 		FINISH_DIRECT_DECODE();
 	}