UPDATE BY Anthony
=================

- speed up login checking and frontend randering
- dymanicly load current path in calling functions and rediretion
- some bugs resoved to ensure stableness

FACEBOOK login
--------------

- added chennel.html
- use of javascript api
- added application key
Merge branch 'santbranch' of https://github.com/sant2013/santpro into santbranch

Conflicts:
	src/main/config/sant_struts.xml
	src/main/webapp/common/common.inc
	src/main/webapp/common/header.jsp
	src/main/webapp/js/common.js