Add missing doctypes
Add note for form view helpers
Merge pull request #866 from froschdesign/hotfix/doctype-helper

Add missing doctypes for view helper
Merge branch 'hotfix/866'

Close #866
Merge pull request #867 from froschdesign/hotfix/view-helpers

Add note for form view helpers in Zend\View chapter
Merge branch 'hotfix/867'

Close #867