Store accessData from fallbacks.  (Transition)
Generate random folder, upload config there, and request that wrappers
be uploaded there.
Add userId to request to upload wrappers.

To make it easier to handle completion reports.
Tie it all together.

The controller and lantern_aws part of the invite flow now works
end-to-end.
Move S3 URL constants to lantern-common.
Add poll interval parameters to config.json.
Merge branch 'master' into issue1265
Adapt to lantern-common normalization changes.
Normalize email on friending and when adding a new invitee.
Merge pull request #60 from getlantern/issue1265

Issue1265