fix(fonts): Use connect-fonts to serve up fonts locally.

fixes #110
Merge pull request #111 from mozilla/fonts

fix(fonts): Use connect-fonts to serve up fonts locally.
Add support for preVerifyToken generation.

To generate a preVerifyToken, visit <123done_host>/api/preverify-signup?email=<email>
Merge pull request #114 from mozilla/oauth-preverify-token

Add support for preVerifyToken generation.
added gen_keys script for more permanent dev keys
Merge pull request #119 from dannycoates/oauth

added gen_keys script for more permanent dev keys
emable preVerifyToken keys from files
Merge pull request #120 from dannycoates/oauth

emable preVerifyToken keys from files
Update README.md
feat: Add support for the iframed oauth flow.
Set 123done up to serve either the iframe flow or the standard oauth flow.

browse to `/` to use the normal flow.
browser to `/iframe` to use the iframe flow.