New features:
* pan-down-symbolic and pan-end-sybolic for expander
* Fix room notifications show with zero
* Sidebar color using the gtk theme sidebar class
* Add 128 and 256 icon sizes, tweak 512, add icon SVG source
* Highlight notifications in blue in room sidebar
* Bold for rooms with new messages
* New room and left room events management
* Load more messages recursive to avoid zero messages
* Long polling instead of sync loop
* Show invitation rooms in sidebar, Accept and Reject working
New features:
* Favorites in room list
* Drag & drop to add or remove from fav
* Don't group messages that differ more than 30 minutes in time
* Speedup the messages loading
* Don't sync when logged out
* Better tab order in login panel
* Don't send empty messages
* Better room name resolution
New features:
* Custom avatar widget, moved circle avatar to frontend
* Room list with room image and badge notifications
* Room order by last message
* New Fractal Icon, thanks to Tobias Bernard
New features:
* New room creation dialog
* Smart auto scrolling
* Login by email
* Member list with avatar and username
* Big refactor and a lot of bug fixes
