Merge branch 'hotfix/1189'

Close #1189
Merge remote-tracking branch 'origin/pr/1206'

Close #1206
[zendframework/zf2#4785] Add documentation note about CSRF naming

- CSRF elements need to be uniquely named on the same page when multiple forms
  are present.
Merge pull request #1217
Merge pull request #1217 in develop