Changed RegisterServlet to use response params
Merge pull request #16 from joryrice/master

ChatServerManager implementation, plus minor changes.
Merge branch 'master' of https://github.com/realtalk403/realtalkserver
Fixed servlets to user proper return error codes/messages
Merge pull request #17 from taylorsw/master

Servlets Response Params
Modified:
pom.xml - removed resources folder for chat log
RegisterServlet.java - all servlets handling user logic returned error
codes even though success was achieved. Changed to only return error
info if failure was encountered.
UnregisterServlet.java
RegistrationIdServlet.java
PasswordServlet.java
web.xml - added get all chat logs servlet
Merge pull request #18 from colinkho/master

Fixed User Servlets & cleaned up pom.xml & added new servlet in web.xml
Fixed bug in ChatServerManager: zero messages returned is no longer a failure