Merge pull request #19 from tianon/submodule-urls

Update submodule urls from `git://` to `https://`

Author: yarikoptic

.gitmodules

@@ -1,6 +1,6 @@
 [submodule "neurodebian"]
 	path = neurodebian
-	url = git://github.com/neurodebian/neurodebian.git
+	url = https://github.com/neurodebian/neurodebian.git
 [submodule "stackbrew"]
 	path = stackbrew
-	url = git://github.com/docker-library/official-images.git
+	url = https://github.com/docker-library/official-images.git