Downgrade jquery to 1.0.x

This was the version in use when twitter-bootstrap
was introduced in the FRAB app.
Downgrade jquery to 1.0.x

This was the version in use when twitter-bootstrap
was introduced in the FRAB app.
rebasing develop on last master
update to activerecord 3.2.13 et alia
Failing test: got redirect instead of success

Somehow routing lost :conference_acronym, and dispatched to
WelcomeController instead of HomeController. Fixed by passing a string
to GET, not a Hash.
merge in develop that fixes one test at least