Use masks in release orchestrator_data

Since Fuel Upgrade feature, it's a common practice to add new
openstack release, so it'd be very useful to add new release
with a kind of macro replacement in paths to repos and puppets.

Since this commit, the macro replacement for MASTER_IP was
introduced.

Change-Id: Ie3a79ab105461f10cbabcc5353ca952946200f32
Closes-Bug: #1378901
Merge "Use masks in release orchestrator_data"