Misc fixes
Commited fix to issue #1283 (http://ocportal.com/tracker/view.php?id=1283). [Site-wide IM option causes left room messages]
Refreshed default youtube player size
Fixed typo in error message
Fixed suhosin error detection up to be more accurate
Misc config fixes
Commited fix to issue #1284 (http://ocportal.com/tracker/view.php?id=1284). [Staff front-page blocks may not appear to save correctly]
Misc fixes
Commited fix to issue #1285 (http://ocportal.com/tracker/view.php?id=1285). [Performance problem on complex layouts]
Large number of fixes and tweaks