CLUSTER-91 Replace host domain name with IP address (purge host).
CLUSTER-91: use purge host instead of store host
CLUSTER-91 Split by "\n" correctly.
CLUSTER-91 Use only HTTP to purge. Replace HTTPS by HTTP in PURGE request urls.
Merge pull request #1 from gruenspar/purge_varnish

CLUSTER-91 Replace host domain name with IP address (purge host).