#18. Work in progress.
#18. + Project acknowledgment overrides and disables status acknowledgment.

+ Updated the existing status based acknowledgment to behave like a toggle.
- Removed Stop acknowledge context menu item.
+ Saves project acknowledgment settings on application exit.
#18. Renamed acknowledge context menu item names to reflect what they do.

- Removed Stop acknowledge context menu item entirely.
Merge branch 'feature/18'