Original work by tox-user.
The default theme is now placed in a different path:
- C:\users\%username%\AppData\roaming\qtox\themes - for Windows
- ~/Library/Application Support/qtox/themes - for MacOS
- ~/.config/qtox/themes - for other Unix systems including GNU/Linux
Thanks to that it's no longer required to recompile the program to modify
the theme.
In addition to that the default theme is also included as a resource. If
the theme folder or some file inside it is missing, qTox will load it
from resource.
