* added a "show always" radio to the recurring todo forms
* added a show_always flag to recurring todos
* created a migration to convert existing recurring todos where show_from_delta==0
* recurring todos where show_from_delta is 0 are now shown the same day they're due
Signed-off-by: Reinier Balt <lrbalt@gmail.com>
* fix case where some fields were not saved
* fix several fields that were not filled with the saved value when editing
* hide storage details of recurring_todo by adding public getters and refactoring view to use them in stead of database fields