Hide "Ask question" and "Statistics" options

Or adjust the Dark Theme as soon as possible.

added bug high priority labels

added ToDo label

added WIP label and removed ToDo label

changed milestone to %EDULEARN19

changed the description

created branch 293-hide-ask-question-and-statistics-options to address this issue

added ready for review label and removed WIP label

mentioned in merge request !246 (merged)

closed via merge request !246 (merged)

mentioned in commit 118da97e