initial draft

@mhoeber , this is an early take as I am waiting on replies from a couple of people, but I'd appreciate your sense of whether I've missed anything that's on the release page: https://edx-wiki.atlassian.net/wiki/display/ENG/Release+Page%3A+2014-06-24
I think we need to be more specific -- this is used for peer assessments now. link to peer assessment doc as needed.  Check with @srpearce