Release on July 22, 2008: Add comments and guest book

Now a user can comments on any items (photo/video/journal) and period of other users.
Also can leave words on any user's guest book.

Release on July 4th, 2008

Release for following changes:
1. Dynamic help system and more on-spot help
2. New home page (features grouping, new login box etc)
3. Share/post items to Facebook
4. Add tips on some pages
5. In Facebook/MySpace apps, click mygrowup logo will bring up a separate browser for mygrowup home page