Make sure to distribute tests as well

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@2871 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishtest/Makefile.am

@@ -18,3 +18,6 @@ varnishtest_LDADD = \
 		$(top_builddir)/lib/libvarnish/libvarnish.la \
 		$(top_builddir)/lib/libvarnishcompat/libvarnishcompat.la \
 		${PTHREAD_LIBS}
+
+EXTRA_DIST = $(top_srcdir)/bin/varnishtest/tests/*.vtc \
+	$(top_srcdir)/bin/varnishtest/tests/README