wut

- add rx dependencies in build.gradle
- add TrackedShows models
- re-add something that I didn't mean to not-add via a poor reset
Shift responsibility of aggregating data
Add basic TrackedShows data flow with rx
Clean up stylings

- Add TrackedShow specific things
- remove unused TrendingShows things
Remove duplicate notifyDatasetChanged
Merge branch 'rx' into dev

Conflicts:
	android/src/main/java/com/ataulm/wutson/TrendingShowsActivity.java
	android/src/main/java/com/ataulm/wutson/TrendingShowsAdapter.java
	core/src/main/java/com/ataulm/wutson/ShowsFetcher.java
	core/src/main/java/com/ataulm/wutson/trackedshows/TrackedShow.java
Update tracked shows color ids