update nvd3, additional chart config options
move nv.d3.css to lib folder
fix css location
docs in chart models
fix pie chart bug in nvd3
Merge branch 'master' into nvd3

Conflicts:
	corehq/apps/reports/commtrack/standard.py
minor tweaks
update nvd3 lib
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.
Merge branch 'master' into nvd3
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
move nvd3 css back
move nvd3 css back
Merge pull request #524 from dimagi/nvd3

nvd3 update
reverting 81334be5976f9c2483a7aaae6bc9c0570395ae58
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