Added possibility to duplicate a theme
Fixes comments
Merge branch 'upstream/feature'
PM message in e-mails

http://community.mybb.com/thread-137703.html
Recount Private Messages
Hide members from the Member List
Fixed wrong MySQL column size
Fixes counters may be negative
Improving thread/post/user counters
Fixes #2281 Signature nofollow doesn't work in user profile
Allow id's to be used in tables in Admin CP
Allow irc protocol in auto URL

This commit parses urls like irc://irc.frenode.net/mybb automatically,
meaning that to link to an IRC channel you don't need to use the URL
MyCode.
PM message in e-mails

Applies the suggestion from @nmalcolm
MyBB Docs Link on Admin CP Dashboard

This adds a link to the MyBB Documentation in the Quick Access sidebar
on the Admin CP Dashboard.
Fixed a bug in thread.js and ported post.js

I've also removed jGrowl messages when multi-quoting posts.
Promotions optimization
Fixes #160
Fixes XSS in misc.php
Adding missing break in promotions task
Fixed DST detection (used old Prototype code)