BufferApp OAuth2.

Hello, i submited a pull request in other issue #609, this fix is here.

git ls-files | xargs git update-index --add --chmod=-x
 
git commit -m "Local mode changed" && \
git checkout -- . && \
git rebase -i HEAD~4
 
pick
squash
squash
squash
 
New Commit Message: BufferApp OAuth2.

Thanks.
well, if it does not give you the email, you should remove it from the path mapping instead of giving the id as email (which will break things for people expecting ``getEmail`` to give them an email or ``null``