* Use blurhash as image preview and as sensitive media cover, close#1571
* Fix focal point for blurhashes
* Fix video indicator overlapping sensitive media indicator
* Add a preference for blurhash
* Add blurhash to report UI.
* Introduce StatusDisplayOptions
* upgrade to AndroidX, upgrade libraries
* move to MaterialComponents theme
* make sure the compose button looks good everywhere
* fix tollbar title/button alignment on tablet
* move to new material color theming, consolidate colors and themes
* fix build, fix imports
* set error on TextInputLayout instead of EditText
* fix imports, TootButton when
* improve snackbar style
* fix task description color
* show ComposeActivity as Dialog on tablets
* limit timeline width on large devices
* limit width on large devices for thread view and search
* increase media preview size on large devices