renamed files
Added a popular channel menu and some helpers

Added a menu to select one of the 10 most popular channels with >75
users by executing the command:
"LIST >75"
Added:
Array.isArray //JS 1.8.5
Changed menu decorator to be more generic
Fix for mootools #1205 bug
missed these in last commit
Updated quit on leave

Note its still broken - for some reason window onunload and onpagehide
are not being fired.