Revert the default graphics backend to GL4 (in preparation of merge to master)
Revert the default graphics backend to GL4 (in preparation of merge to master)

sabretooth/xenia,maxton/xenia,sephiroth99/xenia,sabretooth/xenia,sabretooth/xenia,ObsidianGuardian/xenia,sephiroth99/xenia,ObsidianGuardian/xenia,ObsidianGuardian/xenia,sephiroth99/xenia,maxton/xenia,maxton/xenia