1. add SceneBinary to 2.x
1.  add classname = "" log.
1.  remove Hungary style.
1.  remove hungary style.
2.  fixes build error.
fix focus functions
1.  NULL->nullptr.
2. bRet->ret.
move controller support to 'libcontrollerdeleate' project.
update test case.
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3-gc0630

Conflicts:
	tests/game-controller-test/proj.android/project.properties
fix crash cause by std::regex
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into fix-crash
Merge pull request #7201 from chengstory/cleanupBinaryLoader_AddSceneBinaryParse

Cleanup binary loader add scene binary parse
Rotate the frame buffer for WP8 during the snapshot
fix Effect3dSprite memory leak
Merge branch 'v3' into v3_fix
fixing incorrect optimization
split controller adapter[android]
Merge pull request #7259 from Dhilan007/v3-gc0627

issue #4895:split controller adapter[android]
[AUTO][ci skip]: updating cocos2dx_files.json
Merge pull request #7266 from dabingnn/v3_fix

V3 fix