increased control node CI memory

Author: wtripp180901

environments/.stackhpc/terraform/LEAFCLOUD.tfvars

@@ -1,6 +1,6 @@
 cluster_net = "slurmapp-ci"
 cluster_subnet = "slurmapp-ci"
-control_node_flavor = "ec1.medium" # small ran out of memory, medium gets down to ~100Mi mem free on deployment
+control_node_flavor = "en1.medium" # min 8GB RAM
 other_node_flavor = "en1.xsmall"
 state_volume_type = "unencrypted"
 home_volume_type = "unencrypted"