Revert "Do not install LSB init script in rpm"

This reverts commit 0aab18abfaecbee70b11a041430255e58c0411eb.
Fix permissions for installed init script

Signed-off-by: Michal Čihař <michal@cihar.com>
Include systemd service in rpm file list

Signed-off-by: Michal Čihař <michal@cihar.com>