Add puppet-etcd module

This puppet module is needed to manage etcd clusters

Related-bug: #1668938

Change-Id: I5fae2520766cf89da40a216d0079db5d7f1ffbc1
Signed-off-by: Bogdan Dobrelya <bdobreli@redhat.com>

elements/puppet-modules/environment.d/02-puppet-modules-install-types.sh

@@ -81,6 +81,7 @@ if [ "$DIB_INSTALLTYPE_puppet_modules" = "source" ]; then
     puppet-uchiwa \
     sensu-puppet \
     puppet-kmod \
+    puppet-etcd \
     puppet-zaqar; do
     export DIB_INSTALLTYPE_${module_name//\-/_}='source'
   done

elements/puppet-modules/source-repository-puppet-modules

@@ -76,3 +76,4 @@ puppet-zaqar git /opt/stack/puppet-modules/zaqar https://git.openstack.org/opens
 puppet-ec2api git /opt/stack/puppet-modules/ec2api https://git.openstack.org/openstack/puppet-ec2api.git
 puppet-qdr git /opt/stack/puppet-modules/qdr https://git.openstack.org/openstack/puppet-qdr.git
 puppet-systemd git /opt/stack/puppet-modules/systemd https://github.com/camptocamp/puppet-systemd.git
+puppet-etcd git /opt/stack/puppet-modules/etcd https://github.com/cristifalcas/puppet-etcd.git

releasenotes/notes/add_puppet_etcd-12b6c13a04137e2b.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    Add puppet-etcd which can be used to manage etcd clusters.