Support new version of 'calicoctl' (>=v1.0.0)

Since version 'v1.0.0-beta' calicoctl is written
in Go and its API differs from old Python based
utility. Added support of both old and new version
of the utility.

docs/calico.md

@@ -10,18 +10,42 @@ docker ps | grep calico
 The **calicoctl** command allows to check the status of the network workloads.
 * Check the status of Calico nodes
 
+```
+calicoctl node status
+```
+
+or for versions prior *v1.0.0*:
+
 ```
 calicoctl status
 ```
 
 * Show the configured network subnet for containers
 
+```
+ calicoctl get ippool -o wide
+```
+
+or for versions prior *v1.0.0*:
+
 ```
 calicoctl pool show
 ```
 
 * Show the workloads (ip addresses of containers and their located)
 
+```
+calicoctl get workloadEndpoint -o wide
+```
+
+and
+
+```
+calicoctl get hostEndpoint -o wide
+```
+
+or for versions prior *v1.0.0*:
+
 ```
 calicoctl endpoint show --detail
 ```