Install systemd services with autotools

Change-Id: I90f1efc4433ec641a28931d5c19e2301a67cf1e9
diff --git a/debian/rules b/debian/rules
index 9ebfdd0..6f20b3e 100755
--- a/debian/rules
+++ b/debian/rules
@@ -16,3 +16,6 @@
 # Print test results in case of a failure
 override_dh_auto_test:
 	dh_auto_test || (find . -name testsuite.log -exec cat {} \; ; false)
+
+override_dh_auto_configure:
+	dh_auto_configure -- --with-systemdsystemunitdir=/lib/systemd/system