Starting to stub in fake email server bits

plus correcting the default smtp flag to include a port.
More touchup on the fake smtp server
Forgot to commit the updated README...
More server runner rework, plugging fakesmtpd runner into runtests
Getting good and ugly
Adding an itty bitty API to the fakesmtpd thing

plus actually plugging it into the test server.
Asserting an email is sent for rogue commits
Making more assertions about emails

before calling it quits on this branch.
Merge pull request #18 from modcloth-labs/start-testing-emails

Start testing emails
Merge remote-tracking branch 'origin/master' into support-watched-paths
Getting email tests working + fixing a map init bug