Applied fix for proper translation of comment operations. See [#1668086]
Issue [#744428] by mcarbone and darrellulm: empty comments are always marked as spam.
Replaced a couple of tabs with spaces.
Issue [#1248144] by jswap; solution by mr.j: silently prevents all private messages from being sent
Replaced a tab with spaces as expected.
Isse [#1268072] by Deg, AlexisWilke: spam/denied page gives Site Maintenance error
Alexis Wilke: added test for actions total which may not be defined.
Issue [#1312432] by dmendo11: contact form generate Unsupported operand
Issue [#448412] by mr.j: Actions integration for Spam module
Issue [#1255740] by Alexis Wilke: INSERT INTO uses a %d for a content_id which were all changed to VARCHAR, not PostgreSQL compatible
