This refactors the current SharingStatusActivity
so it can be used for forums and blogs.

This refactors the forum invitation code,
so it can be used by both: forums and blogs.

This commit refactors the code for sharing forums,
so it can be used for sharing blogs as well.

It does not yet include code for responding to blog invitations.

Closes #571

Closes #517

* Implemented in briar-core as a `ScheduledExecutorService`
  that gets started when the app starts
* The briar-api has a `FeedManager` interface
  that the UI can use to register and unregister feeds
* In this first iteration, feeds are fetched via HTTP(S), not Tor

Closes #484

str4d authored 8 years ago and Torsten Grote committed 8 years ago

This enables the toolbar to be used as an action bar, and tinting of UI elements
like checkboxes.

Closes #562

Closes #559

Closes #553

This also adds a setting allowing people to turn blog post notifications off.

Closes #488

Closes #472

Closes #415

The forum UI depended on sync layer events such as MessageStateChangedEvent.
Now, the forum client broadcasts its own high-level event (`ForumPostReceivedEvent`)
with the information the UI needs (`ForumPostHeader`).

Closes #310

Closes #543

This prevents trying to access the same group metadata in different groups.
Also, the conversation does not need to be reloaded once introduction messages arrive.

Closes #535

Closes #533

Closes #515