Revert "Revert "Revert "Revert "Revert "Revert "Revert "MySQL 5.5.30"""""""

This reverts commit 6f7c8740f414dabd4465e94b046e6bb4468009de.
Revert "Revert "Revert "Revert "Revert "Revert "Revert "Revert "MySQL 5.5.30""""""""

This reverts commit 2f59ba55129ab300e34eca6cf04787a971e34c7f.