Added email settings parsing functionality (ported from Clout).
Added barebones script to notify participants.
Ported email function from Clout. Added more documentation to notify_participants.py script and a --really option. Added parse_recipients function and tests.
Added dry-run implementation to script. Still need to add unit tests and --really mode.
Added docstrings and unit tests for notify_participants().
Added ability to send emails in --really mode.
Merge pull request #19 from jrrideout/issue_15

Script to email results to participants.