Remove marketing tasks
Remove marketing tasks
Updated outcomes
Announcements no longer a list
Removed all IRC mentions
Made it clearer that one stage will not be possible yet
Link to Pivotal instead of closed GitHub issue
More XXXiness
Less XXX
Improved formatting
Unindented links
Merge pull request #614 from ClusterHQ/marketing-release-tasks-607

Removed marketing release tasks from the release documentation - fixes 607