Expose videoAssetBitRate, audioAssetBitRate and captureSessionPreset as properties
Merge branch 'master' into exposed_asset_config

Conflicts:
	Source/PBJVision.m
Merge pull request #38 from yury/exposed_asset_config

Expose asset settings as properties
PBJVision:
- convert a couple methods into properties
- adopt obj-c literals for most NSDictionary and NSNumber declarations
PBJViewController : minor cleanup of example project delegate methods
Update README.md
Update README.md
PBJVision.podspec, update tag
PBJVision : ensure there is a video connection before configuring
PBJVision: add an explicit helper for detecting camera device presence
Sample project, updated project file to include signing ident
PBJViewController: added camera detection to sample proj
PBJViewController, remove subview add until preview is ready
Update README.md
Update README.md
Updated readme
Revert "Updated readme"

This reverts commit a4c17bf1cd0f5c93939684d241ffbfa22acf084f.
set the flash mode when modifying, fixes GH-48
setup audio if hasn't been initialized in video mode, fixes GH-33
PBJViewController: minor import cleanup