Merge branch 'fix-18.0.3'
Merge branch 'release-18.1.0'
Merge branch 'release-19'
Prepare version 19.0.1.
Add toolbar to Amazon billing.
Change log for v19.0.1.
Merge branch 'fix-19.0.1'
Merge branch 'fix-19.0.1' into beta
Prepare version 19.0.2.
Set show filter icon state only when creating menu.
Invalidate menu when returning to shows.

- https://fabric.io/seriesguide/android/apps/com.battlelancer.seriesguide/issues/5453df64e3de5099ba2d0f72
- Activity filter setting might have been changed in settings, elsewhere.
- Also guard against activity not being attached to ActivityFragment.
Drop dynamic sort order text.

- https://fabric.io/seriesguide/android/apps/com.battlelancer.seriesguide/issues/5452f848e3de5099ba2bae09
- https://fabric.io/seriesguide/android/apps/com.battlelancer.seriesguide/issues/5454f08ee3de5099ba2e7d74
- Not localized and could get too long.
Invalidate menu when returning to stats.

- https://fabric.io/seriesguide/android/apps/com.battlelancer.seriesguide/issues/5456409de3de5099ba303ce8
- Guard against activity not being attached to StatsFragment.
Invalidate menu when returning to movies.

https://fabric.io/seriesguide/android/apps/com.battlelancer.seriesguide/issues/54561c85e3de5099ba3003a9
- Guard against activity not being attached to MoviesBaseFragment.
Use application context for upgrade toast.

- https://fabric.io/seriesguide/android/apps/com.battlelancer.seriesguide/issues/545494dee3de5099ba2df69b
- Potential fix for crash on L preview.
Change log for 19.0.2.
Merge branch 'fix-19.0.2' into beta
Merge branch 'beta' into dev