Some bug fixes for random stuff. Faster parser. Basic support for themes.
Improved performance of file parser.
Refactored node parsing stuff into its own class.
Improved focus in outline, focus and keyboard popup in edit.
Fixed crashes in search activity.
Fixed crash on calendar selection in preferences.
Added unit test for #251.
Improved edit activitys idea of what nodes are editable.
Created first steps towards theme support.
Tweaked theme and set title for capture.
Added preference for selecting theme.
Applied mobileorgNG theme to outline when light theme is selected.
Tweaked monochrome theme a little.