Update migrate script

Author: atimmer

migrate.sh

@@ -1,10 +1,18 @@
 #!/usr/bin/env bash
 
+git checkout master
+
 # Add YoastSEO.js:
-git subtree add --prefix=packages/yoastseo https://github.com/yoast/YoastSEO.js.git develop
+git subtree add --prefix=packages/yoastseo https://github.com/yoast/YoastSEO.js.git master
 
 # Add yoast-components
-git subtree add --prefix=packages/yoast-components https://github.com/yoast/yoast-components.git develop
+git subtree add --prefix=packages/yoast-components https://github.com/yoast/yoast-components.git master
+
+
+git checkout -b develop
+git subtree pull --prefix=packages/yoastseo https://github.com/yoast/YoastSEO.js.git develop
+git subtree pull --prefix=packages/yoast-components https://github.com/yoast/yoast-components.git develop
+
 
 ./node_modules/.bin/lerna bootstrap