Adding Texture2dTest. And format some lua codes.
Adding RenderTexture test for TestLua.
Adding ZwoptexTest.
Adding FontTest for TestLua.
Removing a comment.
Adding CocosDenshionTest.
fixed #2002: Adding EffectsAdvancedTest for TestLua.
Merge pull request #2311 from dumganhar/iss2002-more-luatest

fixed #2002: Adding Texture2dTest, RenderTexture, ZwoptexTest, FontTest, CocosDenshionTest and EffectsAdvancedTest for TestLua