Fuse MR 2.7 documentation

We will cut a new Fuse MR 2.7 release later this month.

We would need a set of documentation for this release as its scheduled to go into the new Fuse ESB 4.4 release.

This release is significant as shown in that dependency change box on the top of this page:
http://camel.apache.org/camel-270-release.html