[gnome-builder] doc: ship design/roadmap in tarball

[Christian Hergert <chergert src gnome org>]

commit e4c5b4060ea34f5842a43e1effd7ecbb41f4b2a1
Author: Christian Hergert <christian hergert me>
Date:   Wed Apr 29 17:44:32 2015 -0700

    doc: ship design/roadmap in tarball

 doc/Makefile.am |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 36da204..26ada3a 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -1,3 +1,8 @@
 SUBDIRS = examples
 
+EXTRA_DIST = \
+       DESIGN.md \
+       ROADMAP.md \
+       $(NULL)
+
 -include $(top_srcdir)/git.mk