Added Timeline Action Menu, refactoring
- Added interfaces to BaseMediaGridFragment for Context Menu and getters for updating the Toolbar.
- Added kotlin-android-extensions for Synthetic
- Added icons for Share, Delete, Select All
- Added hack to unreference fragments in MainActivity.
- Added MediaUtils to hold common code for Media Items.
- Converted TimelineFragment to Kotlin :)
UI changes:
- Timeline now has Share, Delete, Select All functionality.
Edited by Calvin Noronha