Hotspot and group object types
added area eraser in paint mode
added translations for new paint mode
user color is now set as default color in paint mode
TODO: user color selection in tool bar
fixed width and height of paint canvas
added usercolor to color picker in paint mode
added highlighter in paint mode (still buggy)
added error handling for non-existent painting
removed redundant code
kokoa: fix context object
kokoa: fix use one template room for all faculties
kokoa: change rewiring
Revert "kokoa: change rewiring"

This reverts commit 68b178ebb622ba832678344d2abd406df662650e.
kokoa: fix rewiring
kokoa: small fix
kokoa disable datepicker
kokoa: change datepicker
kokoa: datepicker onChange
kokoa: fix
kokoa: fix