Initial work on game board editor.
Added some todo's and redirect logic to the button.
Fixed some bugs and permanently show the selected questions in the check boxes.
Added style for no bullet points and also added some links to the admin page.
Stop list of questions having bullet points next to them.
Created separate questionsEndpoint resource which is used by the game board editor and will eventually be used by the question list page as well.

Removed pagination stuff from router of game editor as it didn't make sense.
Added level filter to game board builder prototype. Depends on api change...
Some quick fixes to the game board editor.
Merge branch 'game_board_editor'