Added custom listview for habits.
added database for loading. Habits get loaded and the id gets passed to the detail fragment.
changed model to correctly set toMany relation. Added convenient toString for the occurence. Habit-Detailfragment shows simple string list of occurences.
add search icon and search habit list.
removed unused search stuff.
simpler search. less database.
changed model to reflect occurence ordering. added async occurence list and better callback with habit.
add habit via edit habit view
add save icon
Add async occurences. Add occurences fragment. Habit detail fragment shows edit fragment not editing and the occurence fragment.
lots of changes to habit view.
trying to add occurence details.
adjusted gitignore. added dimens.
deleted nonfunctioning occurence-view
add occurencelistFragment
show database list. nav back with back button. nav up does not work.
fix up buttons
add icon to addHabit button
add possibility to delete occurrence.
edit/save button changes the icon depending on the functino.