During tests we found that the current VM flavor (m1.medium) for DCAE no-CDAP
VMs not enough for sustaining long term stable operations for the Docker host
running VES and Holmes containers. Hence up sizeing the flavor.
Issue-Id: DCAEGEN2-195
Change-Id: If55f2a54bfec25a1ef888e5a45a65949770fc591 Signed-off-by: Lusheng Ji <lji@research.att.com>