Change op4 to be a more standard identifier opfor

OpposingForce/opfserver → OpposingForce/opforserver

@@ -17,7 +17,7 @@ steamuser="anonymous"
 steampass=""
 
 # Start Variables
-defaultmap="op4_bootcamp"
+defaultmap="opfor_bootcamp"
 maxplayers="16"
 port="27015"
 clientport="27005"