Use common build/theme from manual-build, actually add the submodule

0106a16e · Glenn Walbran · 65142b4b · 0106a16e
Commit 0106a16e authored Jun 30, 2017 by Glenn Walbran
--- a/.gitmodules
+++ b/.gitmodules
@@ -2,3 +2,6 @@
 	path = source/images-translated
 	url = https://git.mahara.org/user-manual/manual-images.git
 	branch = 17.04_STABLE
+[submodule "manual-build"]
+	path = manual-build
+	url = https://git.mahara.org/user-manual/manual-build.git