Merge branch 'hotfix/204'

Close #204
[#172] Ensure deleting Mongo OAuth2 works

- Deletion was not working previously; it was not deleting the
  zf-oauth2.mongo key.
[#172] Fix conditionals declaration

- Bad conditionals declaration meant that toggle defaults were not being
  recognized. Fixing them allows edit form/cancel actions to work.
Rebuilt UI distribution
Merge branch 'hotfix/172' into develop

Forward port #172