Add deploy downstream: 'merge-maven'
Also add the 'latest-maven' jobs
Updating index page re: order & community link
Adding DCO to code contribution page
Make DOC text match Seb's
Link all other merge jobs 5.1-merge-maven
Merge pull request #825 from hflynn/team-update

Contributing section update
Merge pull request #823 from joshmoore/maven-jobs

Add deploy downstream: 'merge-maven'