Create collection and collection item models
Setup collections activity
First draft of abstract fragment to handle selections
Collection selection fragment
Abstract fragment extending selection fragment for creating new items
New collection dialog
Add collection deletion
Fix gallery bugs
Change collections activity to dynamic fragments
Update collection title on select
Skeleton of colection selection
Load images on resume and ignore config changes
Dialog tweaks to fix list
implement adding and deleting collection images
Fix full screen dialog
Internalize collapsing action spinners to selection fragment
Change channel selection to use new selection grid
Add channel selection strings. Hide options on more than one selected.
Fade menu automatically on channel view start
Refactor channel creation.