Core/Config: Refactored ConfigMgr

* Loading initial configuration files is now separate from loading any additional custom configs

src/server/worldserver/RemoteAccess/RASocket.cpp

@@ -32,7 +32,7 @@
 
 RASocket::RASocket()
 {
-    _minLevel = uint8(ConfigMgr::GetIntDefault("RA.MinLevel", 3));
+    _minLevel = uint8(sConfigMgr->GetIntDefault("RA.MinLevel", 3));
     _commandExecuting = false;
 }