Distribute testing tools

test/shaping/Makefile.am

 # Process this file with automake to produce Makefile.in
 
+NULL =
+EXTRA_DIST =
+CLEANFILES =
+DISTCLEANFILES =
+MAINTAINERCLEANFILES =
+
 manifests:
 	@$(srcdir)/hb-manifest-update "$(srcdir)/texts" "$(srcdir)/fonts"
 
+EXTRA_DIST += \
+	hb-diff \
+	hb-diff-filter-failures \
+	hb-manifest-read \
+	hb-manifest-update \
+	hb-unicode-decode \
+	hb-unicode-encode \
+	hb-unicode-prettyname \
+	$(NULL)
+
+# TODO Figure out Python stuff
+EXTRA_DIST += \
+	hb_test_tools.py \
+	$(NULL)
+CLEANFILES += \
+	hb_test_tools.py[co] \
+	$(NULL)
+
 .PHONY: manifests
 
 -include $(top_srcdir)/git.mk