Remove refresh ActionBar button from UI by setting visibility=false, remove buttons for Show All and Show Unread that later got replaced in the ActionBar with the spinner dropdown
Do not have MainActivity extend ListActivity, instead just extend Activity - for later implementation of AppCompat
Implement AppCompat for ActionBar
Add item counter to ActionBar
Implement a search filter using an ActionBar SearchView hooked up to the sqlite database, add some commenting/documentation to some functions, refactor the MainActivity to split out the ActionBar item initializations
Use SupportMenuItem instead of MenuItem for ActionBar to use the AppCompat menu, otherwise won't work on older devices
Change minimum SDK version down to Android 3.0 (Honeycomb) with API 11
Clean up LaterListDataSource to remove individual fetch*Items() that were replaced by the generic fetchItems() function
Fix bug with not updating the item count app startup for first time