* Create spring-security-kerberos-web to limit dependencies for non-web based projects
* Add org.springframework.security.kerberos.authentication to better align with Spring Security packaging
* Add org.springframework.security.kerberos.authentication.sun to isolate Sun implementations of APIs
* Remove unnecessary dependencies
Fixes gh-20
- Fixing formatting and javadocs
- Change spring-security-ldap dep to optional to
reduce risks because we're so close to GA.
- Modified sec-server-win-auth sample to use
LdapUserDetailsService instead of DummyUserDetailsService.
Added output of user principal to hello page.