port UnsourcedState and content.js from chrome
get popup working again, new addon toolbar widget
 #	unsourced.xpi
port new options page over from chrome extension
fix up popup images, manual lookup button, tab switching etc etc etc...
options page: close upon save
up the version number
shift label styles inline to get around precedence issues
up the z-index of overlaid labels a bit
bump the version number to 0.6