Add multiple member agreements

- 가입 약관, 개인정보처리방침 등을 5개까지 추가할 수 있음
- 약관마다 각각 필수 또는 선택을 지정할 수 있음
- 모든 필수 약관에 동의해야 가입 가능
- 기본 스킨은 수정함. 서드파티 스킨에는 여전히 약관 1개만 표시됨
- 서드파티 스킨 사용시 동의 하나만 선택해도 전체 동의로 간주

modules/member/tpl/header.html

@@ -1,3 +1,4 @@
+<load target="css/config.css" />
 <load target="js/config.js" />
 <div class="x_page-header">
 	<h1>{$lang->cmd_member_config} <a class="x_icon-question-sign" href="./common/manual/admin/index.html#UMAN_member_config" target="_blank">{$lang->help}</a></h1>
@@ -8,6 +9,7 @@
 <ul class="x_nav x_nav-tabs">
 	<li class="x_active"|cond="$act == 'dispMemberAdminConfig'"><a href="{getUrl('', 'module', 'admin', 'act', 'dispMemberAdminConfig')}">{$lang->member_default_config}</a></li>
 	<li class="x_active"|cond="$act == 'dispMemberAdminFeaturesConfig'"><a href="{getUrl('', 'module', 'admin', 'act', 'dispMemberAdminFeaturesConfig')}">{$lang->member_features_config}</a></li>
+	<li class="x_active"|cond="$act == 'dispMemberAdminAgreementsConfig'"><a href="{getUrl('', 'module', 'admin', 'act', 'dispMemberAdminAgreementsConfig')}">{$lang->member_agreements_config}</a></li>
 	<li class="x_active"|cond="$act == 'dispMemberAdminSignUpConfig'"><a href="{getUrl('', 'module', 'admin', 'act', 'dispMemberAdminSignUpConfig')}">{$lang->cmd_signup}</a></li>
 	<li class="x_active"|cond="$act == 'dispMemberAdminLoginConfig'"><a href="{getUrl('', 'module', 'admin', 'act', 'dispMemberAdminLoginConfig')}">{$lang->cmd_login}</a></li>
 	<li class="x_active"|cond="$act == 'dispMemberAdminDesignConfig'"><a href="{getUrl('', 'module', 'admin', 'act', 'dispMemberAdminDesignConfig')}">{$lang->cmd_set_design_info}</a></li>