refactor upload:encode file with base64, detach upload from main loop
refactor upload:encode file with base64, detach upload from main loop
Elastic bounceback for ScrollView

Add iOS-like elastic bounceback.
If you scroll content of scroll view out of insets,
its content will be scrolled 0.35 of user scrolled distance.
closed issue#4434:fixed display incorrect color of label if create by font name.
add override for Label::updateDisplayedColor
Merge pull request #5860 from Dhilan007/develop_label

closed #4434: Label's color is incorrect if it's created by font name
[AUTO]: updating luabinding automatically
Merge pull request #5864 from CocosRobot/update_lua_bindings_1395209593

[AUTO]: updating luabinding automatically
Update CHANGELOG [ci skip]
Merge commit 'refs/pull/5856/head' of git://github.com/cocos2d/cocos2d-x into merge5856
closed #4382: added missed scaleZ feature for scaleZ
closed #4447: [Desktop] Can't receive touchEnded event when mouse up outside of window
closed #4448: Elastic bounce back effect support for cocos2d::extension::ScrollView.
issue #4448: Respond to move event  if dragging is enabled, no matter whether mouse is in the content of cocos2d::extension::ScrollView.
Merge pull request #5869 from dumganhar/iss4448-scrollview

closed #4448: Elastic bounce back effect support for cocos2d::extension::ScrollView.
Merge pull request #5868 from dumganhar/iss4447

closed #4447: [Desktop] Can't receive touchEnded event when mouse up outside of window
Update CHANGELOG [ci skip]
closed #4450: FileUtils::addSearchResolutionsOrder doesn't check whether there is a 'slash' at the end of path.
modify job-comment-trigger to support [console].
Merge pull request #5871 from dumganhar/iss4450-missing-slash

closed #4450: FileUtils::addSearchResolutionsOrder doesn't check whether there is a 'slash' at the end of path.