add lcemp networking + ps3 support

YES I KNOW ITS GARBAGE, THATS WHY ITS NOT ON MAIN

ILL FIX IT UP IN FUTURE COMMITS THEN MERGE TO MAIN

Minecraft.Client/Common/UI/UIScene_SkinSelectMenu.cpp

@@ -1518,7 +1518,7 @@ void UIScene_SkinSelectMenu::HandleDLCMountingComplete()
 void UIScene_SkinSelectMenu::showNotOnlineDialog(int iPad)
 {
 	// need to be signed in to live. get them to sign in to online
-#if defined(__PS3__)
+#if !defined(DISABLE_PSN) && defined(__PS3__)
 	SQRNetworkManager_PS3::AttemptPSNSignIn(NULL, this);		
 
 #elif defined(__PSVITA__)