PR #4032
Merge branch 'romulobusatto-master'
Fix CS issue in unrelated component

- trailing whitespace

Signed-off-by: Ralph Schindler <ralph.schindler@zend.com>
CS Fix applied from develop
Merge branch 'hotfix/db-oracle-cs-fix-master'
Add test Mvc\Service\FormElementManagerFactoryTest
Fix conflict AbstractPluginManager::valdatePlugin with DiAbstractFactory
Merge pull request #4372 from noopable/patch-FormElementManager-retrieval

Ability to load custom form classes from FormElementManager in Mvc.
Merge branch 'hotfix/4372' into develop

Close #4372
Fixes #3818
Fixes #3812