Renamed 'userdefined' action to 'customfields'.
Use helper method to retrieve the view renderer in form unit tests.
ZF 2.3 compatibility fixes
Use new ControllerManager service in favour ControllerLoader alias.
Use new Zend\Dom\Document in favour of now deprecated Zend\Dom\Query, and use XPath expressions instead of CSS selectors.
Made Form base class non-abstract.
Fixed styling of ShowDuplicates form.
Created default form renderer.
Fixed rendering of HTML elements without content.
Fixed blacklisting of NULL values.
Added 'Console' prefix to all form service names.
Redirect to original page (if any) after successful login.
Corrected comments and variable naming regarding encoding issues.