LdapQuery: Use Ldap/Exception for errors

refs #5536
Ldap/Query: Remove __toString()

This is needed because of exception handling. Exceptions can now bubble
up for default handling. Method render() was renamed to create() because
the method create a query. Adjust the test for method create().

refs #5536
Merge branch 'bugfix/ldap-exception-5536'

fixes #5536
Revert "Fixes dashboard title configuration"

This reverts commit 968fa36cfd5123137b2d8189b3df723974c6a46d.
Revert "Fixes unaccepted behavior in module configuration"

This reverts commit 236d384bab3c1b64f3fd9954487accc33aafe48a.