Merge branch 'hotfix/#755'
Merge branch 'hotfix/#751'
Add documentation for Plural helper
Fix English
Merge branch 'feature/763' into develop
Close #763

* feature/763:
  Fix English
  Add documentation for Plural helper
  fixed indentation
  Add docs for missing MonthSelect element
  Update conclusion.rst
  Update routing-and-controllers.rst
  Update routing-and-controllers.rst
Merge branch 'develop' of https://github.com/zendframework/zf2-documentation into develop

* 'develop' of https://github.com/zendframework/zf2-documentation: