- Rename rpmlintrc to qtile-rpmlintrc

- Update to version 0.13.0:
* Deprecation
wmii layout is deprecated in terms of columns layout, which has the
same behavior with different defaults, see the wmii definition for
more details
* Features
- add svg handling for images
- allow addgroup command to set the layout
- add command to get current log level
- allow groupbox to hide unused groups
- add caps lock indicator widget
- add custom_command to check_update widget
* Bugfixes
- better shutdown handling
- fix clientlist current client tracking
- fix typo in up command on ratiotile layout
- various fixes to check_update widget
- fix 0 case for resize screen
- Add rpmlintrc to ignore warning related to dqtile-cmd
- Add python3-cairocffi-pixbuf dependency
- Increase python3-cairocffi dependency version