#8 Basic implementation of exporting to iCal (.ics file)
Small fix for when guest tries to log out
Landing page created
#15 Updated landing page, added login/register feature, added favicons
Merge branch 'frontend_implementation' into Development
Merge branch 'User_Management' into Development
Merge branch 'user_management' into Development

Conflicts:
	app/controllers/UserController.php
#3 Hide dropdownmenu when no users can be added to a group
Revert "#3 Hide dropdownmenu when no users can be added to a group"

This reverts commit 79ccb8c38146bbaac66feff8964ea022a338d09e.
Hooked landingpage to backoffice
Added SuperAdmin API
Offset endtime on null value
#10 Calendar and event bug fixing
#10 Super minor bug-fix (spaces cause bugs)
#10 Basic eventdetail page, correct linkthroughs from calendar
DateTime server validation
Merge branch 'user_management' into Development
Temporary commit, constructed layout for #12
Merge branch 'frontend_implementation' into Development
feature linking