move handle_loaders into AbstractElement
do exactly the same thing than js to always get accounts list
core: Use the new vocabulary
[CapCalendar] add Conference event category
[agendadulibre] new module agendadulibre
Update regexps
the account information div's id change, so we look for the dom structure
Return the real error message, not "label"
Add parcelnotfound exception
Raise ParcelNotFound in colissimo
Catch parcelnotfound by untracking
Return the fullid of not found parcel
prevent mess when copying BaseObject instances

Note: to understand this fix, see AbstractElement.__init__ -- it calls
deepcopy on parent.env, it caused copying of objects we do not want to
copy such as thread locks.
backporting mergin_hook to support hook's requests in wheezy
fix missing import
add an nth parameter to Regexp filter
let JSVar inherits from parameters of Regexp (like nth)
JSVar: add cornercase
tests: Allow changing modules path and adding to PYTHONPATH

This way run_tests.sh follows what local_run.sh can do.