Fix /var/run SELinux file contexts

/var/run/<service> needs to be relabeled with the correct file
contexts. With systemd, these directories are created anew each
boot by /lib/systemd/system/<service>-create-dir.service.
os-svc-daemon was updated to correct the file contexts.

Change-Id: I6487d0726db08912eed3062dfee2552940eadcfb
Closes-Bug: 1346559

elements/os-svc-install/bin/os-svc-daemon

@@ -179,6 +179,7 @@ Description=Create /var/run/$dirname
 
 [Service]
 ExecStartPre=/bin/mkdir -p /var/run/$dirname
+ExecStartPre=/usr/local/bin/restore-selinux-file-context /var/run/$dirname
 ExecStart=/bin/chown -R $user:$user /var/run/$dirname
 
 [Install]

elements/os-svc-install/element-deps

@@ -1,3 +1,4 @@
 mysql-dev
 pip-and-virtualenv
 pip-manifest
+selinux