Cleanup usings

Signed-off-by: James Tasker <james_tasker1@hotmail.com>
Remove disabled blur entry from config

Signed-off-by: James Tasker <james_tasker1@hotmail.com>
Add button to save config to file

Signed-off-by: James Tasker <james_tasker1@hotmail.com>
Remove background image path unless image mode is selected

Signed-off-by: James Tasker <james_tasker1@hotmail.com>
Add Bar meter

Signed-off-by: James Tasker <james_tasker1@hotmail.com>