runeliteplus: adds full support for private servers into main project, also fixes -local-injected

runelite-client/src/main/java/net/runelite/client/RuneLite.java

@@ -181,6 +181,7 @@ public class RuneLite
 		parser.accepts("debug", "Show extra debugging output");
 		parser.accepts("no-splash", "Do not show the splash screen");
 		parser.accepts("local-injected", "Use local injected-client");
+		parser.accepts("private-server", "Use a non official server to play");
 
 		final ArgumentAcceptingOptionSpec<String> proxyInfo = parser
 			.accepts("proxy")
@@ -251,6 +252,13 @@ public class RuneLite
 			}
 		}
 
+		final boolean privateServer = options.has("private-server");
+
+		if (privateServer)
+		{
+			ClientLoader.usePrivateServer = true;
+		}
+
 		PROFILES_DIR.mkdirs();
 
 		if (options.has("debug"))