initial check in for webadmin
added Apache Shiro classes for user authentication
added Shiro elements in web.xml
added login.html and js files
changed Login method to return null entity
added Logout method
added authc in [main] section of shiro.ini
added playlistdao class
added Jersey Spring support
added web service method to getAllList
added list add and change functions
added gitignore
readded back
addded all new source code files
added transaction on Jersey resource class
changed data model to reflect the database schema changes
updated to the latest code version with web content files
added new JS files
Merge branch 'master' of https://github.com/bweng2000/webadmin