Implement login/logout.
Add admin routing and permission check.

* Add Bootstrap pagination support.
* Fix directory support in Trideo_Controller.
Member listing and search.
Add member management feature.

* Make UI responsive.
* Add admin-specific menu.
Allow assignment of admin role.
Refactor code.
Show credit balance in /admin/member/info.

* Add DB schema.
Add empty action for /admin/credit/purchase