Removed unused ReferenceManager

See merge request briar/briar!856

Tor Bridge Support

See merge request briar/briar!847

This also changes the way bridges are used.
Instead of using the torrc config file,
bridges are now activated via Tor's control port.

Disable resource shrinking for release builds

Closes #1334

See merge request briar/briar!854

Fixed padding in rss_feed_import, list_item_crash, power_view

See merge request briar/briar!831

Fix a possible null reference bug

See merge request briar/briar!853

Delete old auth cookie before starting Tor

Closes #1329

See merge request briar/briar!852

Don't show screenfilter warning in SplashScreenActivity

See merge request briar/briar!832

Ensure that pressing back after setup will always return the user to home

Closes #1327

See merge request briar/briar!849

Fixes #888.

Remind the user to sign in

See merge request briar/briar!841

Use message icon rather than mail icon for private messages

Closes #1032

See merge request briar/briar!846

Add feature flag for dark theme

See merge request briar/briar!843

Display log file in a reader-friendly way

Closes #1307

See merge request briar/briar!845

Dark Theme Fixes

See merge request briar/briar!844

Factor out keyagreement ui theme

See merge request briar/briar!835

Upgrade Android Gradle Plugin to 3.1.3

See merge request briar/briar!842