issue #1 remove unnecessary folder
Issue #24 : alternative navigation
Issue #27: First attempt at smoothing out the overlay jitter.
issue #28: add basic activity
issue #28: add quiz activity
Issue #29: Added functions to convert between LatLng and Location objects
issue #28: add quizQuestion class
issue #28: update multiple class
issue #28: listview of questions with distance and colorcode
issue #28: listview of questions sorted by isSolved,maySolve and distance
issue #28: quiz listview with onItemClick eventlistener
issue #28: solving the selected question with correction
Issue #30: Tracking and showing multiple POI with dummy data.
Issue #30: Cleaned up code
issue #31 : cleanup challenge activity
Issue #32 : sensor initialisation and  reading correct values for Am Drunk game.
Issue #30: increased overlay POI name text size
Issue #30: Removed unneeded method call and added some info
Issue #33: POI on AR overlay are now clickable and show details when clicked
stad verwijderd uit POIList en POIDetailActivity intent toegevoegd aan POIList