- added waypoint list handling
- updated friend request handling
Merge branch 'app' of https://github.com/pakohan/de.htwg.seapal.play into app
- set default selection of first boat and crew member
- replaced id's of menubar items (routes, marks, trips, tracks) with class names to be able to add trip and track once
- added callbacks which will be called on a successful action (select/deselect) methods.
- refactoring : removed "remove" methods which are no longer required.
- updated callbacks to select and remove items.
- bugfix to update menubar entry on update.
- bugfix to modify trips.