
Our etherpad servers now have digits so we need them to have digits in the groups file. Also we have etherpad-dev group_vars that are different than the etherpad group_vars values so add a group for etherpad-dev to ensure the correct hiera data is used on the dev server. Change-Id: I9e34ef7969b8a562192a29d98ead6fc55f71d5f2