Fixed bug in storage demo and updated wiki.

Review URL: https://codereview.appspot.com/14751044

git-svn-id: http://blockly.googlecode.com/svn/trunk@1414 c400ca83-b69d-9dd7-9705-49c6b8615e23
Made improvements to messages.js after viewing results at translatewiki.

Review URL: https://codereview.appspot.com/14771046

git-svn-id: http://blockly.googlecode.com/svn/trunk@1419 c400ca83-b69d-9dd7-9705-49c6b8615e23