modify autotest.py for use mac app.
Merge pull request #5834 from shujunqiao/autotest

modify autotest.py for use mac app.
closed issue#4428:fixed label display incorrect if invoking getLetter and it's multi-line.
change access specifier of SpriteBatchNode::addSpriteWithoutQuad.
Add a test case to reproduce issue 4428.
update test case of issue 4428.
update `bindings-generator` submodule
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into develop_3_fix
make FileUtilsWin32::getWritablePath() return value unified whether release or debug
fixed typo.
[Jenkins] make build fail when submodule update fail
Merge pull request #5850 from lmskater/fix-submodule-update-fail

[Jenkins] make build fail when submodule update fail
Merge pull request #5848 from samuele3hu/develop_3_fix

Update `bindings-generator` submodule and resolve a error about the return value of FileUtilsWin32::getWritablePath()
[AUTO]: updating luabinding automatically
Merge pull request #5853 from CocosRobot/update_lua_bindings_1395129281

[AUTO]: updating luabinding automatically
Merge pull request #5843 from Dhilan007/develop_label

closed #4428: fixed display incorrect of multi-line label if invoking 'getLetter'.
Update CHANGELOG [ci skip]
[AUTO]: updating luabinding automatically
Merge pull request #5859 from CocosRobot/update_lua_bindings_1395194145

[AUTO]: updating luabinding automatically[ci skip]
Merge branch 'develop' into develop_nutty_modify_layoutparameter