Merge tag '0.23' into develop

* Enhancements:
  * [#273] Add test MEQ buttons in test dashboard
* Bug fixes
  * [#263] Scheduling problems, settings not honoured
  * [#241] Parameters not re-updating if quick failure
  * Server-side, upload of questions with '.' in names is fixed
Pressing back in page activity quits straight away
Merge pull request #279 from daydreaming-experiment/feature/issue-276-back-button

Pressing back in page activity quits straight away
Fix BEQ new bug #288
Bump version
Merge branch 'develop' into hotfix/0.23.1
Update changelog and grammar version
Merge branch 'hotfix/0.23.1'