fix up indentations
Merge branch 'fix/zend-form-quickstart' of https://github.com/robertbasic/zf2-documentation into fix/747

* 'fix/zend-form-quickstart' of https://github.com/robertbasic/zf2-documentation:
  fix up indentations
Merge branch 'fix/747'
Close #747
* fix/747:
  fix up indentations