enable hostport (#89)

Author: saiyan86

cni/azure.conf

@@ -0,0 +1,18 @@
+{
+  "cniVersion": "0.3.0",
+  "name": "azure",
+  "plugins": [{
+                "type": "azure-vnet",
+                "mode": "bridge",
+                "bridge": "azure0",
+                "ipam": {
+                  "type": "azure-vnet-ipam"
+                }
+            },
+            {
+                "type": "portmap",
+                "capabilities": {"portMappings": true},
+                "snat": true
+            }
+  ]
+}