Update README.md

Author Jonathan Bell <jbell@cs.columbia.edu>
Author date 2013-11-14 17:29:13
Author local date 2013-11-14 12:29:13 -0500
Committer Jonathan Bell <jbell@cs.columbia.edu>
Committer date 2013-11-14 17:29:13
Committer local date 2013-11-14 12:29:13 -0500
Commit 9f2daf604f6d8260794f1d36d2ce0e17d1c1c603
Tree c5031c82c6d428060673a4360b169b7969f978ae
Parent f345f91295f76133338b56473e9147c160e1d828
Update README.md

cleaned up markdown in read me
Affected files:
README.md