Integrated with login

Integrated Authentication Client with Login. Code working now. Also
added javadoc. Will change javadoc as and when we write more comments.
Merge branch 'develop' of https://github.com/cmusv-sc/Practicum2014-Ericsson-Authentication into develop

Conflicts:

AuthenticationServer/src/main/java/edu/cmu/ini/impli_auth/server/Central
Server.java