Debian package: Fix lintian warnings

* Add magic tag in varnish.postinst for debhelper
* Remove old overrides, add two overrides for update-rc.d


git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@1945 d4fa192b-c00b-0410-8231-f00ffab90ce4

debian/lintian-override

-varnish: non-dev-pkg-with-shlib-symlink usr/lib/libvarnish.so.0.0.0 usr/lib/libvarnish.so
-varnish: non-dev-pkg-with-shlib-symlink usr/lib/libvarnishapi.so.0.0.0 usr/lib/libvarnishapi.so
-varnish: non-dev-pkg-with-shlib-symlink usr/lib/libvcl.so.0.0.0 usr/lib/libvcl.so
-varnish: package-name-doesnt-match-sonames libvarnishapi0 libvcl0 libvarnish0
+varnish: duplicate-updaterc.d-calls-in-postinst varnish
+varnish: duplicate-updaterc.d-calls-in-postinst varnishlog
+

debian/varnish.postinst

@@ -8,6 +8,7 @@ varnish_setup_user() {
 
 varnish_setup_user
 
+#DEBHELPER#
 # Automatically added by dh_installinit
 if [ -x "/etc/init.d/varnish" ]; then
 	update-rc.d varnish defaults >/dev/null