shift ssh:// to https:// for read-only access

Author: Gabriel Monroy

.gitmodules

@@ -1,18 +1,18 @@
 [submodule "images/etcd"]
 	path = images/etcd
-	url = ssh://github.com/deis/etcd.git
+	url = https://github.com/deis/etcd.git
 [submodule "images/postgres"]
 	path = images/postgres
-	url = ssh://github.com/deis/postgres.git
+	url = https://github.com/deis/postgres.git
 [submodule "images/redis"]
 	path = images/redis
-	url = ssh://github.com/deis/redis.git
+	url = https://github.com/deis/redis.git
 [submodule "images/server"]
 	path = images/server
-	url = ssh://github.com/deis/server.git
+	url = https://github.com/deis/server.git
 [submodule "images/worker"]
 	path = images/worker
-	url = ssh://github.com/deis/worker.git
+	url = https://github.com/deis/worker.git
 [submodule "images/builder"]
 	path = images/builder
-	url = ssh://github.com/deis/builder.git
+	url = https://github.com/deis/builder.git