Merge pull request #755 from metabase/new_invite_emails

project.clj

src/metabase/api/user.clj

src/metabase/email/messages.clj

src/metabase/email/new_user_invite.html

src/metabase/models/user.clj

src/metabase/util/quotation.clj

test/metabase/api/session_test.clj

test/metabase/email/messages_test.clj

test/metabase/test_setup.clj