Bug 451964 - Provide some initial quick fixes
Bug 452179 - Readonly widget: Show progress spinner when user clicks on a folder or file.
Bug 452161 - [occurrences] Selecting a computed property does not mark occurrences
git diff: cache compute service, fix exception when removing text view listener, cleanup strings
Bug 452179 - Readonly widget: Show progress spinner when user clicks on a folder or file. -- support unknown file types.
fix typo