.gitmodules in dolt-0.7.1

- old
+ new

@@ -11,5 +11,8 @@
         path = lib/cullquery
         url = https://github.com/cjohansen/cullquery.git
 [submodule "lib/spin.js"]
         path = lib/spin.js
         url = https://github.com/fgnass/spin.js.git
+[submodule "lib/showdown"]
+	path = lib/showdown
+	url = https://github.com/coreyti/showdown.git