PR #4073
Merge branch 'mixkorshun-develop' into develop
Adding code to allow for input validation to continue if value is empty instead of just being marked as valid if empty.  Required to test for validity of an empty value based on context.
Tests for added Continue If empty functionality.
Merge branch 'hotfix/4002' into develop

Forward port #4002
Merge branch 'hotfix/4020' into develop

Forward port #4020
Merge branch 'hotfix/4061' into develop

Forward port #4061
Merge branch 'hotfix/4063' into develop

Forward port #4063
Merge branch 'hotfix/4064' into develop

Forward port #4064
Merge branch 'hotfix/4055' into develop

Forward port #4055
Merge branch 'hotfix/4066' into develop

Forward port #4066
Merge branch 'hotfix/4074' into develop

Forward port #4074
Merge branch 'hotfix/4079' into develop

Forward port #4079
View helpers cleanup
Merge branch 'hotfix/4084' into develop

Forward port #4084
Merge branch 'hotfix/4089' into develop

Forward port #4089
Merge branch 'hotfix/4095' into develop

Forward port #4095
Merge branch 'hotfix/4077' into develop

Forward port #4077
Merge pull request #4098 from samsonasik/fix/docblock.bool

fix php docblock : boolean should be bool

Conflicts:
	library/Zend/Filter/File/RenameUpload.php
	library/Zend/Mvc/Controller/Plugin/FilePostRedirectGet.php
	library/Zend/Mvc/Controller/Plugin/FlashMessenger.php
	library/Zend/Mvc/Controller/Plugin/PostRedirectGet.php
	library/Zend/Mvc/Router/SimpleRouteStack.php
[#4098] CS fixes

- linefeed
Merge branch 'hotfix/4098' into develop

Close #4098