bump framework and change submodules pulling strategy

README.md

@@ -22,7 +22,7 @@ git push -u origin master
 Next, tell git to download `pro-framework`:
 
 ```sh
-git submodule init
+git pull --recurse-submodules
 ./pro update
 ```
 

framework

@@ -1 +1 @@
-Subproject commit a1620787f45814231de07bd9bafcd04a56389ec4
+Subproject commit 8d61daf5974d1c438b70c2d6513fa6f19db4999e

pro

@@ -1,8 +1,6 @@
 #!/bin/bash
 if [ "$1" == 'update' -o "$1" == 'u' ]; then
-  git submodule update
-  git submodule foreach git checkout master
-  git submodule foreach git pull origin master
+  git submodule update --recursive --remote
 else
   ./framework/tools/containers/docker/start.sh $@
 fi