Build gevent 1.0rc2 from source

Fixes lack of tracebacks in error emails
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 vellum
update vellum
update submodules
Fix format string (again)
Merge pull request #120 from kennknowles/master

Fix format string in fabfile
update corehq, psi
fix mail_admins (including testing that it works)
Merge pull request #121 from dimagi/email-deploys

fix mail_admins (including testing that it works)
updating pact head - time for the migration
Merge branch 'master' of github.com:dimagi/commcare-hq
update corehq (temp) and pact
update corehq, psi
update submodule refs to mvp
commtrack
update freddy
Bump couchforms
add raven to prod-requirements