Changed settings dialog to an activity
Renamed SettingsDialog to ActivitySettings
Removed hack and cleaned "this" references
Moved Cancel and OK buttons to the action bar
Application name as subtitle
Fixed margins
Fix soft keyboard showing up when starting settings activity
Default background for settings activity
Made settings_confidence multiline so it's not ellipsized on small screens
Reduced the number of OnCheckedChangeListener instances
Fixed member's visibility
Reduced the number of OnClickListener instances
Fix NPE
Fix main UI refresh when clearing all XPrivacy data
Updated compatibility & upgrading section, updated FAQ
Merge pull request #1938 from tonymanou/settings_activity

Changed settings dialog to an activity
Updated changelog, FAQ
Showing action bar items always
Remove passing application name
Formatting

Refs #1938
Moved flush button to expert mode section

Fixes #1934
Added category merge/reset

Fixes #1909
merge