[COMMON][ELASTIC] Uses new tpls for repos / images

This commit makes Elasticsearcg template to use the new generator for
repositories and images.

Issue-ID: OOM-2364
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: I20c18632234c864ef2a29e3cfb259c9838a8c4d6
18 files changed