[PORTING] - 001
=============================
[.htaccess]
-----------------------------
	-   RewriteBase /www_xxx

[database]  - sql
-----------------------------
* . application\config\database.php
	- ==>> tankauth:database_name , tankauth:user_name

[path] - make assets and doc
-----------------------------
	- css
	- images
	- captcha

[auth] - relative path
-----------------------------
* . base_url() 기반 함수.
	- /auth/
	==>> auth/

	redirect('/auth/ 		>> 		redirect('auth/
	anchor('/auth/ 			>> 		anchor('auth/
	<a href="/auth/ 		>> 		<a href="<?=base_url();?>auth/
	site_url('/auth/ 		>> 		site_url('auth/
	redirect('/auth_oa2/ 	>> 		redirect('auth_oa2/