In order to make it work with the translations, call status is no longer passed as a string but as an integer (from enum lrc::api::call::Status).
Gitlab: #10
Change-Id: If8d8b7093fbf82e9b7732e6991eec647ad0d50b7
Use qt applicationDirPath to get ringtones path to avoid the complexity
of using windows API, and remove redundant ringtones folder.
Gitlab: #41
Change-Id: I5ae95531fb0e7627cdddb61334420bae3f37848b
