New Features:
* Use reverse-domain convention for naming desktop and search provider files
* Refactor D-Bus support to reuse the connection established by GtkApplication
* Update AppData file format
Translations:
* Updated translations:
- Brazilian Portuguese (pt_BR)
- Indonesian (id)
- Lithuanian (lt)
- Polish (pl)
- Serbian (sr)
- Swedish (sv)
- Turkish (tr)
- Ukrainian (uk)
