be offline on startup

* the user sees the page fast
* the transfers are pulled async, to not bomb the server with a request
  to /transfer/:id per torrent
refres transfers when beginning to filter
create dedicated transaction for dropped torrent
torrentsController is not always loaded (Ember docs lie)
use transactions whereever feasable
cucumber: do not actually follow github links
install Emu and configure App for it
convert models from ember-data to Emu
try to fetch json with emu
upgrade ember to 1.0.0-rc.3
disable roots in array serializers
Emu serializer for number
can load Settings
can load directory and move, problems with Directory#parent
simulate belongsTo associations
repair jasmine tests
use simple #save() by emu instead of transactions
move unused libs out of the way
adding kind of works again
can set Torrent#contenDirectory on add