Uncomment eaglview release CCEAGLViewImpl-ios

This is leaking the eaglview when the Director is purged.

In our case, we are leaving the cocos environment on some views which
are implemented with cocoa, and because this eaglview is not being
released, it is getting notifications for keyboard events, and trying to
access stuff on the NULL eaglview, crashing our app.

Uncommnenting this line seems to fix the problem for us, and we haven't
been able to find any nasty side effects.
eaglview shouldn't be released here
Fixed #9038: parseVersion shouldn't set Manifest loaded flag
fix sprite frame cache, and remove unnecessary headers dependencies.

we should add private headers for ccs, do not expose privae headers to users.
revert some modifications.
fix compile error.
refactor Widget flip logic
add button flip test
finish tests
fix momery leak (partly fix, memory leak still exist).
Issue #9061: Fix local manifest more recent than cached manifest issue
Issue #9061: Fix no success notification for empty download queue issue
Issue #9061: Made Manifest::getAssets public for assets process after update finished
fix lua http download binary data's bug
Issue #9061: Fix issue about compare logic
- Optimization in CCClippingNode.
Disable visiting when no objects has to be drawn under stencil.
Update MathUtilNeon64.inl

add arm64bit  neon support
Revert "Issue #9061: Made Manifest::getAssets public for assets process after update finished"

This reverts commit 8652864242f19ad9d5895fb6bc77e2dbfb24a717.
Fix WebView and VideoPlayer in wrong place on Android 2.3.x
- set const modifier to ClippingNode::hasContent()