Change threshold of using indicatorHighSpeed from >30 to >108
Change to using `-[ALAsset writeModifiedVideoAtPathToSavedPhotosAlbum:completionBlock:]`
Change “Pick latest” to skip modified Asset
Change to retrieving information of assets on enumeration
Merge branch 'develop'

* develop:
  Change to retrieving information of assets on enumeration
  Change “Pick latest” to skip modified Asset
  Change to using `-[ALAsset writeModifiedVideoAtPathToSavedPhotosAlbum:completionBlock:]`
  Change threshold of using indicatorHighSpeed from >30 to >108
Change variable name
Change method of calculating new duration
Simplify manipulating of AVMutableComposition
Change calculating outputFrameDuration from using minFrameDuration to using nominalFrameRate

Because minFrameDuration is not accurate on some movies.
Change method to checking outputFrameDuration is lower than minFrameDuration

Respect for AVAssetTrack.naturalTimeScale
Using CMTIME_COMPARE_INLINE() macro
Merge branch 'develop'

* develop:
  Change method to checking outputFrameDuration is lower than minFrameDuration
  Change calculating outputFrameDuration from using minFrameDuration to using nominalFrameRate
  Simplify manipulating of AVMutableComposition
  Change method of calculating new duration
  Change variable name
Merge commit '9351075d105f0c94ffdc0eb3b0ba41df7edf455d'

* commit '9351075d105f0c94ffdc0eb3b0ba41df7edf455d':
  Change to retrieving information of assets on enumeration
  Change “Pick latest” to skip modified Asset
  Change to using `-[ALAsset writeModifiedVideoAtPathToSavedPhotosAlbum:completionBlock:]`
  Change threshold of using indicatorHighSpeed from >30 to >108
  Change initial rate of exporter
  Change initial view controller to RootViewController which is subclass of UICollectionViewController
  Add removeObserver codes to ViewController
  Move some code into buildSessionForMediaURL in ViewController
  Change detecting player paused code.
  Remove UINavigationControllerDelegate
  Remove UIImagePickerControllerDelegate
Merge commit '2f181f4ef42ac07a7923a06416562123df1e37f1'

* commit '2f181f4ef42ac07a7923a06416562123df1e37f1':
  Change method to checking outputFrameDuration is lower than minFrameDuration
  Change calculating outputFrameDuration from using minFrameDuration to using nominalFrameRate
  Simplify manipulating of AVMutableComposition
  Change method of calculating new duration
  Change variable name
Merge branch 'master' of https://github.com/katokichisoft/SlowDown

# Via KatokichiSoft
* 'master' of https://github.com/katokichisoft/SlowDown: