Merge pull request #130 from carlosperate/factory_fix

Block factory: close workspace drop downs and unfocus selections on manual edit.

demos/blockfactory/factory.js

@@ -48,6 +48,7 @@ function formatChange() {
   var languagePre = document.getElementById('languagePre');
   var languageTA = document.getElementById('languageTA');
   if (document.getElementById('format').value == 'Manual') {
+    Blockly.hideChaff();
     mask.style.display = 'block';
     languagePre.style.display = 'none';
     languageTA.style.display = 'block';