[COMMON] Adding Common Template for cassa-operator

- K8ssandraCluster resources template file added
- Modification of the cassandra chart to add the option to install
  cassandra using the k8ssandra-operator
- AAI and SDC values changed to support the new cassandra settings
- Fix for SDC cql version in jobs
- for London make k8ssandra-operator optional (default: false)

Issue-ID: OOM-3168
Signed-off-by: Dasarathi, Swain (ds00528024) <ds00528024@techmahindra.com>
Change-Id: Idfe232460c9c1f584536e60ea042345d7dca3164
diff --git a/kubernetes/sdc/resources/config/cqlshrc b/kubernetes/sdc/resources/config/cqlshrc
new file mode 100644
index 0000000..cb6df94
--- /dev/null
+++ b/kubernetes/sdc/resources/config/cqlshrc
@@ -0,0 +1,2 @@
+[cql]
+version={{.Values.global.sdc_cassandra.cqlVersion}}
\ No newline at end of file