New features:
* show mxid in member tooltip
* Focus on message entry after clicking on a username
* Basic markdown sending
* Change Load more GtkButton to GtkSpinner
* mention: blue highlight for messages with mentions and cleanup css file
* Redesigned new room creation (fixes#98)
Fixes:
* Unlock collections and items in secret storage before use.
* fix: add joining members to the there own room instate to the active room
* Fix autocomplete crash with unicode usernames
* Fix url parsing
This script creates a new release, increasing the release number in all
files then it creates a new commit and the creates a new tag, and
finnaly it generates the .tar.xz release file.