Added RequestParameters.java that holds request String constants. Added PasswordServlet.java that handles change password requests.
Added authenticate servlet
Added RegistrationIdServlet.java
* Handles a change of registration id for a user

Modified RequestParameters.java
* Added string constant used to retrieve new Registration ID

Modified web.xml
* Set Url pattern for RegistrationIdServlet.java

Modified UserManager.java
* Modified for debugging purposes.
fixing conflict from stupid stupid git
Authenticate uses parameter class
Modified index.jsp
* Introduces chat real talk
Merge pull request #3 from colinkho/master

Implemented Unregister and ChangePassword functionality
Merging changes
Fixed error with merged code

removed bad parameter in call to fChangeId
Trying to fix servlets
Added Debugging Measures to UserManager
Added Debugging Measures
Debugging Measures
Debug
Added debugging to UserManager
Merge remote-tracking branch 'heroku/master'

Conflicts:
	src/main/java/com/realtalkserver/util/UserManager.java
UserManager debugging
UserManager debugging
UserManager debugging
UserManager debugging