add 'losses' stock transaction to default commtrack config
removing public domain reference link.

very naive removal here, links and other stuff to handle the "public" domain handling still exists, but that'll be rolled differently thanthe current odd setup we have.
fix the way build files are made and downloaded

- if a file for a build does not exist 404 instead of trying to create
- create profile.ccpr *on build* not when it's first accessed!
- fix some content type / content length stuff
fix fail on accessign user reg source when not yet initialized
Merge pull request #559 from dimagi/fix-download

fix the way build files are made and downloaded
Merge pull request #564 from dimagi/fix-user-reg

fix fail on accessing user reg source when not yet initialized
don't show the translations tab for remote apps
Merge pull request #567 from dimagi/remote-app-trans

don't show the translations tab for remote apps
Enable external_id updating

Allow users to update external_id when uploading cases matched on
case_id instead of external.
Remove option to update type
fix secure receiver decorator
fix owner regression (Case:65086)
Merge pull request #570 from dimagi/cz

fix owner regression (Case:65086)
psi sql events report
Merge pull request #571 from dimagi/psi_sql

psi sql events report
Refactor field setting
fix odk profile links for pre-yesterday applications
Merge pull request #566 from dimagi/importer-bugs

More importer post-QA changes
Merge pull request #569 from dimagi/fix-secure-receiver-decorator

fix secure receiver decorator
add a basic sanity test to make sure apps have certain build files after build