Refactor CSimpleFileCache::WaitData, kill race conditions.
Merge pull request #2239 from ulion/fix_simplefilecache_waitdata

Refactor CSimpleFileCache::WaitData, kill race conditions.
[IOS] Fix and unify postMouseMotionEvent use scaled point position.
Merge pull request #2298 from ulion/fix_postmousemotionevent_double_scale

[IOS] Fix and unify postMouseMotionEvent use scaled point position.
Using namespace rather than namespace scope quote.