Merge pull request #32 from jainvipin/master

remove duplicate attributes in network.json object

Author: Vipin Jain

network.json

@@ -97,10 +97,6 @@
 					"type": "array",
 					"items": "endpoint",
 					"title": "endpoints in the network"
-				},
-				"dnsServerIP": {
-					"type": "string",
-					"title": "dns IP for the network"
 				}
 			},
 			"link-sets": {