Fixed realtime recording
Fix movie playback issue on Simulator.
Merge branch 'simulator-fix'
Revert "Merge branch 'simulator-fix'"

This reverts commit fe3f5472b0ee5fececba4d9f1182fff675beae35, reversing
changes made to 94d937b37a3f11a372702ff33971457fb1a807cf.
Fix wrong statement of “not equal to” AVKeyValueStatusLoaded.
Created a Mac Swift FilterShowcase. Created entries for almost all filter operations in the Swift FilterShowcases.
Merge pull request #1687 from wagamama/simulator-fix

Fix movie playback issue on Simulator.
Merge pull request #1688 from wagamama/hot-fix

Hot fix
Fixed the bad merge on the movie updates.
Merge pull request #1613 from mmtootmm/bugfix/writing_video

Fixed realtime video recording
Added an attribute to prevent warnings about a new property.
Fixed some Swift renaming issues from Xcode beta 5.
Fix issue 1580
Merge pull request #1716 from zmzhuai/master

Fix issue 1580
Added an example of how to use Swift playgrounds with GPUImage.
Incorporating the crashing fix by robmaceachern from here: https://github.com/robmaceachern/GPUImage/commit/fd4e39b2079057064f9549a7911ad7ea31e0ad62#diff-d41d8cd98f00b204e9800998ecf8427e
Merge remote-tracking branch 'upstream/master'