Fix prop types

embark-ui/src/components/Accounts.js

@@ -40,7 +40,7 @@ const Accounts = ({accounts}) => (
 );
 
 Accounts.propTypes = {
-  accounts: PropTypes.object
+  accounts: PropTypes.arrayOf(PropTypes.object)
 };
 
 export default Accounts;

embark-ui/src/components/Blocks.js

@@ -35,7 +35,7 @@ const Blocks = ({blocks}) => (
 );
 
 Blocks.propTypes = {
-  blocks: [PropTypes.object]
+  blocks: PropTypes.arrayOf(PropTypes.object)
 };
 
 export default Blocks;