Added properties to channel to allow simple matching on request body.
Merge branch 'master' into msg-content-matching

Conflicts:
	package.json
Added more thorough unit testing for the http body matching.
Let Vagrant instances use a newer version of mongo
Merge pull request #98 from jembi/puppet-latest-mongo

Let Vagrant instances use a newer version of mongo
Added integration test for channel matching logic. Added the ability to match on content-type.
Merge pull request #99 from jembi/msg-content-matching

Message content matching
pulled latest code from master