Change needed to add header blocks to all Dockerfiles, similar to the
base.

Use case is to easily run something before packages are installed, e.g.
to COPY a local rpm in that can be added to the package list.

Change-Id: I1bbfdf0b762da0a392aa8bf47781315b45377bee
Closes-Bug: 1618969

Upgrade Ubuntu base image to Xenial

Closes-Bug: #1593599
Change-Id: I5832a729a9a4fa73c02442047c92ba088ce20db3

TrivialFix

Change-Id: Ib2474257554e0b294bc39a658108326fcbbdbe58

This patchset contains customization of Dockerfile of the
Elasticsearch container.

Change-Id: Icd38897b3a7ce02ab934fea6ad88cc3381546d5e
Partially-implements: blueprint third-party-plugin-support

Change-Id: I4b109f7fdc3b8e49defed26979b04ca158842e98
Closes-Bug: #1598423

Change-Id: If4be00b937e14ec93443dcb7249cf17099d57cbe
Closes-Bug: #1569417

TrivialFix

Change-Id: I1f03d428c380dfdbde5ef33e7ea43cbf5e9154ce

Test results of this patch set are at
http://paste.openstack.org/show/490450/.

Change-Id: I2957cc70fcca34706ec50a630d785f0630c3f5c0
Closes-Bug: #1553203

Part of ELK stack. Includes Dockerfiles for both Centos and Ubuntu.

Change-Id: I9f76adf084cd4f68e29326112b76ffd02b5adada
Partially-implements: blueprint central-logging-service