View helpers cleanup
Removed additional whitespace in short methods Properties are sorted alphabetically Methods are sorted to logical blocks: magic, renders, helper functions and setters/getters Methods in blocks are sorted alphabetically All helpers now follow this structure set*, get*, has*
Fixed default plural rule.
Merge pull request #4137 from MatyCZ/ViewHelperCleanup

View helpers cleanup

Conflicts:
	library/Zend/Form/View/Helper/FormRow.php
	library/Zend/I18n/View/Helper/NumberFormat.php
	library/Zend/View/Helper/HeadMeta.php
	library/Zend/View/Helper/Navigation/AbstractHelper.php
	library/Zend/View/Helper/Placeholder.php
	library/Zend/View/Helper/Placeholder/Container/AbstractStandalone.php
[#4137] Re-instate code removed during merge

- Decimal representations in NumberFormat view helper were broken due to
  bad merge.
Merge branch 'hotfix/4207' into develop

Forward port #4207