Update from Google I/O:
1. Script.google.com as a new destination for Apps Script developers. You can now create scripts from script.google.com or from Google Drive. Your projects are now stored in Google Drive, and you can share them just like a Google document or spreadsheet.
4. You can now publish your apps in the Chrome Web Store . Register and package your app directly from the Publish menu in Google Apps Script. Then customize your listing from the Chrome Web Store and publish your app to the world.
5. New developer reference documentation , new user guide, reach GAS team on Stack Overflow, make feature requests and report issues on the Apps Script page on Google Code.