Prevent main (UI) thread freezing on repeat
Merge pull request #1825 from PeepsMedia/master

Prevent main (UI) thread freezing on GPUImageMovie repeat
Merge branch 'master' of https://github.com/BradLarson/GPUImage

# By Alexander Edge
# Via Alexander Edge (1) and Brad Larson (1)
* 'master' of https://github.com/BradLarson/GPUImage:
  Prevent main (UI) thread freezing on repeat