Minor Release with no downtime expected.

• Fixed a troubling out of memory error seen frequently on shared servers
• Approving message attachments no longer causes new post notification to run incorrectly
• Added an index to IP_USERS.LOGIN for better performance
• Fixed problem where missing category descriptions caused errors in some cases
• Fixed HTML truncator code that was deleting forum and catgeory descriptions during updates
• Hidden forums will not be returned to content islands as they were in some queries
• Synchronized archive convertion to prevent multiple servlets from attempting the same task
• Content island admin UI now only accepts either "posted before" *or* "posted or replied before
• Updated the mail libraries to the latest provided by Sun and added debug info on mail sending failures
• Fixed a Safari/Omniweb bug where the private message indicator did not work.