Finish basic email sending module
Implement basic round closing logic
Merge pull request #53 from nickb1080/closeRound

Implement round closing and email sending
Modify vote routes to disallow duplicate votes
Merge pull request #54 from MSchip/feature-branch

Modify vote routes to disallow duplicate votes using sessions
Merge branch 'master' of https://github.com/rally-app/rally into RoundTiming
Add deadlines to db storage by key of deadline time in milliseconds for every new plan