uncomment out and update script tags in launch.html
invoke oauth flow from background page

following http://developer.chrome.com/extensions/tut_oauth.html
send credentials from extension to app
update to latest freedom.js

includes fix from UWNetworksLab/freedom#1 for "invalid assignment left-hand
side" caused by

    if (m.source == window && m.data.type = 'freedomAdvertisementResponse') {

instead of

    if (m.source == window && m.data.type == 'freedomAdvertisementResponse') {
add temporary hacks to avoid irrelevant errors
add note in code for #3
simpler spelling of including only background scripts
Recompile node-xmpp at current version. Fix XMLHTTPRequest bug.
Merge branch 'master' into oauth

* master:
  switch to non-experimental identity API
  pass correct arguments to xmppdaemon
  Recompile node-xmpp at current version. Fix XMLHTTPRequest bug.
  Create README.md
  added .DS_Store to .gitignore
  renamed top-level dirs.

Conflicts:
	app/launch.js
mv picker-extension/* extension/
update hard-coded id's, reference #7
make extension resend credentials when clicked.