some refactoring. 
and playing with qTip...
experimenting with handmade tooltips. feels better.
now both the links on the tooltip work well.
refactored to remove all those ugly 
handmade APIs
first version of the balloon actually working
rename for understanding
removed the qtip dependency
dead code must go
highlighting words the right way
uploading the title of a page too
there is actually no need for the get_tab_url message. 
cleaned up.
cleanup