Add facilities app

update requests to a stable version compatible with that used by the
freddy package.  Update rawes to a version compatible with latest
requests (only bugfixes since the existing version).
update freddy
update freddy
Merge pull request #118 from dimagi/facilities

Add facilities app
update submodules
update couchforms
update casexml
Merge branch 'master' into tracebacks

Conflicts:
	requirements/requirements.txt