Merge pull request #12 from colinkho/master

Adding APK with debugging key.
Added skeleton classes for DB-App interface
added packages
refactored "login" to incorporate ChatManager
skeleton addUser method
changing the layout to suit testing addUser
Authenticate method in ChatManager

Added support for authentication in ChatManager class
ChatMangager progress

Making ChatManager interface with the servlets on Heroku, minor
adjustments of UI to allow for easy testing
Made ChatManager methods static
Cleared imports

small change, cleared bad imports, unneeded chatmanager instance
(sort of) Abstracted ChatManager usage pattern
Added RequestParameters to Android app for consistency
implemented change password in ChatManager
implenented change id in ChatManager
Merge pull request #18 from taylorsw/master

Progress on ChatManager
Added response params
Added resultset response for ChatManager's interface with UI
Abstracted (kinda) ChatManager pattern
Merge pull request #20 from taylorsw/master

Abstracting pattern in ChatManager
Removed ID from User constructor (not a client provided member)