Upgrade to version 0.9!

Verision 0.9
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1. Dates on the goals entry page are checked for correct form.
2. Future dates are prevented on goals entry page, as well as dates from more than one month ago.
3. Count of comments is shown on edit/delete posts/comments page.
4. Default timezone is set and the admin can change it by typing in a new name.
5. HTML in comments status is displayed on comments page.
6. Comments can be disabled (per post) by the administrator.
7. Edit/Delete post code has been merged.
8. No link is displayed to admin page on admin page. (A page should not link to itself.)
9. When posts are deleted, the comments on the post are deleted as well.
10. The last admin cannot unregister himself.
11. NULL color values are not allowed in the database.
12. Admin options and color change pages are now separate.
13. New Feature! Users can edit their comments.
14. Deleted debugging code that could be a security hole.
15. Added database update page.
16. Page descriptions are given in the page title
17. Admin find comments by user now remembers the username entered.
18. The rules are no longer displayed again upon successful registration.
19. Admins can change the name of the user posting the comment.
20. New Feature! Commenting on posts can be disabled X amount of days after the post is made.