* Show target domains for non-mention/non-hashtag links where the target domain is not provided or differs from the domain in the text.
Addresses #2694
* Add link signifier to the marked-up domain
* Back down on validating hashtags and mentions, don't markup _any_ urls where the text starts with #/@
* Migrate LinkHelper to kotlin
* Support tags field on statuses
* Use embedded tags list in status instead of text scraping to embed tag click handler.
Fixes#2283
* Make mentions and tags lists nonnullable
* Make LinkHelper.openLink a Context extension method
* Use builtin extension for uri conversion
* More cleanup in LinkHelper
* Add tests for LinkHelper.getDomain
* Unbreak tags in places that don't have a tag list (e.g. profiles)
* Fixup javadoc