vImage blur
Merge commit '7b2d8ad85d686094055835415ce0e11bf68a90a4'

* commit '7b2d8ad85d686094055835415ce0e11bf68a90a4':
  Fixed example project
  Vingette alpha
  nice vignette animation
  Gradient png instead of vignette
  vImage blur
  Used GPUImage - fast but not nice blur…

Conflicts:
	RCBlurredImageView/RCBlurredImageView.m