Updating ElasticSearch version to 6.1.2

Setting the correct image path
Adding config files
Updating elasticsearch yml config for 6.1.2

Change-Id: I1795d2c4201657377cc06f5fb6914ed5b93f3c24
Issue-ID: AAI-1440
Signed-off-by: Edwin Lawrance <Edwin.Lawrance@amdocs.com>
6 files changed