Fix spine::Skeleton not updating on re-entry.

Could be done in a tighter manner by scheduling updates in
spine::SkeletonAnimation instead and listening for animation events.
However, this may need a more robust interface on scheduleUpdate and
unscheduleUpdate to work correctly.
CCConsole:support file upload via telnet console
remove unused function
fix console loop
fix win32 compile error
fix andriod compile error
fixed #3868. when the singleton destoryed, the cocos thread may later than that which will cause the s_responseQueue to be nil.
fixed #3877. make fadeIn and fadeOut behaviours correct
Merge pull request #5487 from dumganhar/develop

Adds 'override' keyword for override functions (onEnter, onExit) in cpp-tests.
Merge remote-tracking branch 'upstream/develop' into console-upload-file
Merge pull request #5463 from andyque/refactor3877

closed #3877. make fadeIn and fadeOut behaviours correct
Update CHANGELOG [ci skip]
Merge pull request #5477 from heliclei/console-upload-file

CCConsole:support file upload via telnet console
Update CHANGELOG [ci skip]
Update AUTHORS [ci skip]
Update CHANGELOG [ci skip]
SpineDrawing fixes
Merge pull request #5489 from ricardoquesada/spine_fixes

SpineDrawing fixes
closed #3684, Set shader program before TextureAtlas is rendered.
closed #3684, Optimize the code of TextureAtlas test case.