Store chat archives in PTs
Lots of site-wide IM improvement
Made chat message check time configurable, plus came-online alert time
Modularised chat code some more, and made adding friends on chat lobby work via AJAX
Better IM window management
Misc IM fixes
Made easier to debug chat when using SU
Lots of IM bug fixing
IM optimisation and bug fixing
More IM bug fixes, and improved conversation management
Misc IM fixes - done\!
Small fix to make side_friends block work right if sitewide_im option off
Open feedback in overlay
Give URL when giving feedback
More IM fixes
Minor IM fix
Error for ocSuperShout addon if chat addon not installed
Improvement to friend block
Chat invite fix
Made iOS devices go through chat lobby, due to lack of concurrency between tabs