Merge pull request #1559 from metabase/pulse-fixes-round-3

frontend/src/lib/redux.js

frontend/src/pulse/actions.js

frontend/src/pulse/reducers.js

src/metabase/email/_footer.mustache

src/metabase/email/_header.mustache

src/metabase/email/messages.clj

src/metabase/email/new_user_invite.html

src/metabase/email/new_user_invite.mustache

src/metabase/email/password_reset.mustache

src/metabase/email/pulse.mustache

src/metabase/pulse.clj

src/metabase/task/send_pulses.clj

test/metabase/email/messages_test.clj