lintian: Reduce warnings and errors.

Change-Id: Ib909c5b21412c0d6ea5e395ca731eb1cdbc3eca3
(cherry picked from commit 1c688e7b38f57521e7a89fcc4fe2440d40908c06)
diff --git a/debian/bluez.lintian-overrides b/debian/bluez.lintian-overrides
index 3c3156e..7f80c60 100644
--- a/debian/bluez.lintian-overrides
+++ b/debian/bluez.lintian-overrides
@@ -1 +1,18 @@
 bluez: dbus-policy-at-console etc/dbus-1/system.d/bluetooth.conf *
+bluez: maintainer-script-should-not-use-dpkg-maintscript-helper postinst:5
+bluez: maintainer-script-should-not-use-dpkg-maintscript-helper postinst:11
+bluez: maintainer-script-should-not-use-dpkg-maintscript-helper postinst:14
+bluez: maintainer-script-should-not-use-dpkg-maintscript-helper postinst:21
+bluez: maintainer-script-should-not-use-dpkg-maintscript-helper postinst:25
+bluez: maintainer-script-should-not-use-dpkg-maintscript-helper postinst:28
+bluez: maintainer-script-should-not-use-dpkg-maintscript-helper postinst:31
+bluez: maintainer-script-should-not-use-dpkg-maintscript-helper preinst:5
+bluez: maintainer-script-should-not-use-dpkg-maintscript-helper preinst:11
+bluez: maintainer-script-should-not-use-dpkg-maintscript-helper preinst:14
+bluez: maintainer-script-should-not-use-dpkg-maintscript-helper preinst:21
+bluez: maintainer-script-should-not-use-dpkg-maintscript-helper preinst:28
+bluez: maintainer-script-should-not-use-dpkg-maintscript-helper preinst:32
+bluez: maintainer-script-should-not-use-dpkg-maintscript-helper preinst:35
+bluez: maintainer-script-should-not-use-dpkg-maintscript-helper preinst:38
+bluez: systemd-service-file-refers-to-unusual-wantedby-target lib/systemd/system/bluetooth.service bluetooth.target
+
diff --git a/debian/libbluetooth3.lintian-overrides b/debian/libbluetooth3.lintian-overrides
new file mode 100644
index 0000000..010ace5
--- /dev/null
+++ b/debian/libbluetooth3.lintian-overrides
@@ -0,0 +1,2 @@
+libbluetooth3: symbols-file-contains-current-version-with-debian-revision on symbol __start___debug@Base and 1 others
+