fix tilemapTest
Merge branch 'develop' into develop_FixTestCase_TilemapTest

* develop:
  Update CHANGELOG [ci skip]
  [AUTO] : updating submodule reference to latest autogenerated bindings
  [GUI] Updates Mac project.
  Remove C cast
  Fixed bugs about color and opacity
  Remove "_renderer" from widget
  Fixed bugs
  Remove CCDictionary from GUIReader
  Add samples
  Remove NodeRGBA inherit
Merge pull request #4675 from dabingnn/develop_FixTestCase_TilemapTest

Develop fix test case tilemap test