Fix #32 "No photos" view shows even there are photos in album.
#32 Fix showing "No photos" view issue even there are photos in album.
Set initial background color of assets group labels
#35 Fix showing supplementary view issue when there are no assets in the album
Add accessibility label to the auxiliary view
Rename image asset
#29 Add "hold to preview" feature
Merge branch 'issues/#29' into dev
#38 Add shouldShowAsset delegate method
#39 Add showsNumberOfAssets property
Refactor shouldShowAsset delegate method
#41 Add "show default content" feature