Safeeyes

Changes:

* Moved to Python 3 with standard Python package

* Added plugin support

* Added option for custom breaks

* Added break images

* Added lock screen support after long breaks

* Prevent disabling Safe Eyes after notification in strict break mode

* Use system language by default if available

* Fix disable menu issue in Elementary OS and Manjaroo KDE

Bug fix:
- Fix random crashes in some Linux environments
- Fix menu being reset after saving settings

Bug fix:
- Fix incorrect long break interval
- Remove redundant output in console

Buf fix:
- Fix system locale time error

New features:
- Disable Safe Eyes for given time (Customizable)
- Override individual break time
- Override individual audible alert
- Override full-screen mode and skip/take breaks based on the active window
- Respect system locale time format in the tray menu

Bug fix:
- Fix to delete startup script during config version change
- Fix large icon in System Monitor

Bug fixes:
- Fix for no audible alert