Make manage project commit author consistent.

Set Openstack Project Creator as the commit author for all commits in
the manage_projects.py script.

Change-Id: I994ee0a43e783415d0976143509497a71187b9ab
Reviewed-on: https://review.openstack.org/16094
Reviewed-by: James E. Blair <corvus@inaugust.com>
Approved: Monty Taylor <mordred@inaugust.com>
Reviewed-by: Monty Taylor <mordred@inaugust.com>
Tested-by: Jenkins
diff --git a/manage_projects.py b/manage_projects.py
index fb50b26..9efdfb5 100755
--- a/manage_projects.py
+++ b/manage_projects.py
@@ -279,7 +279,10 @@
 project=%s
 """ % (GERRIT_HOST, project_git))
                     git_command(repo_path, "add .gitreview")
-                    git_command(repo_path, "commit -a -m'Added .gitreview'")
+                    cmd = "commit -a -m'Added .gitreview' --author=" \
+                            "'Openstack Project Creator " \
+                            "<openstack-infra@lists.openstack.org>'"
+                    git_command(repo_path, cmd)
                 gerrit.createProject(project)
 
                 if not os.path.exists(project_dir):