Add route user/hash.

Open the URL /index.php?r=user/hash&s=STRING
to compute User::hashPassword(STRING).
Remove dysfunctional parts of article view.
Replace hardcoded link.
Remove inline styles.
Remove hardcoded link.
Search result entry view.
Fix project update.

Use CForm for creating project updates.
Add dummy project updates.
Fix project update display in project profile.
Fix user ids in schema.
Fix user creation success page.
Revert "Turn off registration emails."

This reverts commit be35e82531ae8ac51c48b7df6359ccbe80199ad1.

Conflicts:

	protected/controllers/UserController.php
Add Yii phpmailer extension.
Fix user activation.
Turn on even prettier URLs.
Fix tag nesting in user profile view.
Fix user photo upload bug.
Fix login form.
Fix search form action.
Replace image title with alt.