Morph helpME

• Re-use subscription names. helpME now frees up subscription names upon unsubscription so that it can be reused by other subscriptions.
• Back In Time and Rollback. Administrators may now traverse different versions of a page as well as make an older version active. This feature is accessible when viewing the preview of a page. If your page has been edited more than once, it now has multiple versions. To access the older versions, just click on the "Back in time" link found just above the page's star rating. If you want to make an old version the active version, just click on the "make active" link.