Merge pull request #17 from lmumar/master

ADDED a property for setting the flash mode
PBJVision: adopt smooth autofocus for video
PBJVision: check if features are supported before setting
PBJVision: update flash mode setting
Debug.xcconfig : added a warning
PBJVision: add an enum for specifying the output format (outside of the presets)
PBJViewController: sample project button placement adjustments
PBJVision: update for basic iOS 7 support
Update README.md
Update README.md
Update README.md
Deactive Audio when PBJCameraModePhoto
Merge pull request #21 from n-studio/master

PBJVision asks access to the microphone in Photo mode
Update README.md
Update README.md
Fix preview layer orientation in photo mode
Merge pull request #24 from cacheflowe/fix-photo-preview

Fix preview layer orientation in photo mode
Base.xcconfig : add target OS
Vision.xcodeproj : move deployment target to the config file
Update status bar handling for iOS 7