Fixing applying ACLs for new projects

* The issue was in the incorrect calling the script
   'manage-projects': It should be invoked from
   user 'gerrit2' sharing user env.

Change-Id: Ib987957e0e1a7f0c4951883ee64175b21293bdad

murano-apps/Gerrit/package/Resources/scripts/periodic_puppet.sh

@@ -12,4 +12,4 @@ GIT_SSL_NO_VERIFY=true /usr/bin/puppet apply ${CONF_DIR}/gerrit.pp
 # Log rotation is turned on in create_projects.pp
 #
 # TODO: Should be replaced by git hook
-/usr/local/bin/manage-projects -v -d -l /var/log/manage_projects.log
+su - gerrit2 -c "/usr/local/bin/manage-projects -v -d -l /var/log/manage_projects.log"

murano-apps/Gerrit/package/Resources/scripts/post_deploy.pp

@@ -9,4 +9,4 @@ cron { "puppet":
   command => "/usr/local/bin/periodic_puppet.sh",
   hour    => '*',
   minute  => '*/5',
-}
+}