Raveberry

- Raveberry is upgraded by a system service, making it finish reliably
- Remove false positives for new versions (pip changed its interface)
- Testing in CI is done in a separate folder, .pyc files are not packaged anymore
- Search engine is only initialized in new databases, speeding up installation
- Due to issues during pairing, devices are connected to directly
- Tested HiFiBerry (it works)
- Config file can be specified in remote installs
- Log to console when testing

- Use svg graphics
- Use localStorage instead of cookies
- Removed some unnecessary state updates

- Youtube playlists, radio and autoplay work again
- Spotify can play albums and artist's top tracks
- Download limit applies to spotify songs
- Keyword filter is applied to artist and in suggestions, instead of only to the title
- Keyword filter is applied to youtube and local requests
- Tools for normalization are installed from packages instead of built from source (speeds up system installation)
- Docker version can normalize m4a files
- Dependencies container uses piwheels, significantly speeding up cross-architecture buidl

- python3 is used by bin/raveberry, even without ansible.cfg

- _Big_ installation rewrite: ansible is used
- Update through the webinterface is possible, but it will take some time. See the log in `/var/www`.
- Config is now in .yaml format. Your old config is automatically migrated.

- Dependencies: Package size reduced.
* Spotify, YouTube and Soundcloud can be specified during install.
* Unavailable platforms are marked in /settings.
* Install and run dependencies separated.

- mopidy config is not overwritten during install. Spotify credentials are kept across updates.
- homewifi is respected during install.
- CSS is minified.
- QR codes are readable again (styles are not purged anymore).
- Bluetooth scanning happens in a background thread, server does not hang anymore.
- Icecast is enabled even if not configured during its install.
- Key for remote access is stored in a static location.
- `raveberry run` waits for mopidy before starting.

- Visualization:
* Can be installed on systems with desktop environment, open a window.
* The window is closable. Closing will disable the screen program.

- Checking the latest version does not prevent websockets from being opened
- Songs are sortable again when not voting (library was missing)
- Menu slide and modal background are not stripped from css anymore
- Thumbnails of songs from youtube are embedded again