Initial directory structure.
added CAccessRule.users and enabled authorization according to usernames.
update comments about CLocale.
changed "build lite" command due to change of CAccessRule.
Changed CApplication::terminate() to CApplication::end() and removed it from shutdown registration.
Fixed #1: autoloading doesn't work with path having dots in it.
typo fix.
fixed typos in requirement checker views.
added memo for requirement checker.
adjusted yiiForm styles.
changed defaultController to 'site'.
Added initial implementation of CAPTCHA.
fixed a bug in "build autoload".
updated autoload map.
Added 'replace' option to CHtml::ajax.
Finished the overall framework of CAPTCHA.
CAPTCHA is completed.
Fixed comment.
changed requirement from 5.2.1. to 5.1.0.