* Add data model for instance configuration
* Support instance.configuration.statuses.max_characters
* Support instance.configuration.statuses.characters_reserved_per_url
* Support instance.configuration.polls.max_options and max_characters_per_option
* Pacify ktlint
* Support instance-configured poll durations
* Fixup versions for migration after rebase
* 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