Support node selection.

org.jdrupes.vmoperator.manager/config-sample.yaml

@@ -5,6 +5,12 @@
     # Values used when creating the PVC for the runner's data
     runnerData:
       storageClassName: null
+    # Amount by which the current cpu count is devided when generating
+    # the resource properties.  
+    cpuOvercommit: 2
+    # Amount by which the current ram size is devided when generating
+    # the resource properties.
+    ramOvercommit: 1.5
   
     # Only for development:
     # namespace: vmop-dev