Don't crash

• Fix NSInvalidArgumentException on iOS 8 in case the permission for the camera was revoked in the settings.
  @m0rk #11
• Fixes rotation issue when taking picture in landscape
  @tapwork #10

Landscape Support

• Add Landscape support and use AVCaptureVideoPreviewLayer
  @tapwork #9
• Add dynamic cell sizes
  @pixeldock #7

0.1.0

Add support for iPad