- Moved ListPreference helper functions from FontSizeSettings to K9PreferenceActivity
- Used helper functions in Prefs
- Reordered preferences in Prefs to match the order in global_preferences.xml (display order)
- Created "controller" and "mail.filter" package
- Moved a lot of classes to new/other packages
- Removed unused classes: NoSuchProviderException, MessageDateComparator