Add rancher-compose URLs and move version to env variables
Add rancher-compose URLs and move version to env variables

By putting versions as environment variables the cattle can make the
version available in the API.

ostree/rancher,jefflaplante/rancher,hibooboo2/rancher,summerQLin/rancher,dbones/rancher,thuongdinh/rancher,adamcarlile/rancher,summerQLin/rancher,dbones/rancher,gpndata/rancher,wlan0/rancher,anapsix/rancher,dx9/rancher,atyenoria/rancher,hibooboo2/rancher,jefflaplante/rancher,Rucknar/rancher,anapsix/rancher,imikushin/rancher,thuongdinh/rancher,wlan0/rancher,dbones/rancher,mikedougherty/rancher,gpndata/rancher,adamcarlile/rancher,ostree/rancher,anapsix/rancher,reschrei1/rancher,jefflaplante/rancher,trukhinyuri/rancher,dx9/rancher,ostree/rancher,adamcarlile/rancher,mikedougherty/rancher,gpndata/rancher,trukhinyuri/rancher,reschrei1/rancher,Rucknar/rancher,trukhinyuri/rancher,atyenoria/rancher,imikushin/rancher,thuongdinh/rancher,atyenoria/rancher,summerQLin/rancher,hibooboo2/rancher,wlan0/rancher