Ash/13w49 fixes to be merged in socioware 13w49 fixes

This pull request contains fixes for below issues : 

> Issue #72 : No User details of user in Status
> Issue #68 : java.lang.NullPointerException
> Issue #66 : updated web.xml for sevlet renmae 
> Issue #66 : Rename all Servlets to proper name
> Issue #69 : No User details in Message

> Renamed Publishstatus to Status.
> To maintain good view on page with minimal width for frined request , fixed CSS position.
> Used UserProfile for renamed UserSignup class to User 
> added usersignup and status classes.
> Added New and Modified javadoc for this project 
> Dependency commit for Issue #66