hlim10 jcheng26 : 
1. Refactoring
2. Removed classes not used anymore.
3. changed Interface
hlim10 lchen59: Refactoring and changed interface of Login part
hlim10 lchen59 : Login System complete (sign up, login, logout,
duplicate id check, encrypt password, set up database, write php code to
connect sql server)
hlim10 lchen59 : make QuestCreation class
hlim10 lchen59 : User has to login before creating character
hlim10 lchen59 : User can be able to make their own character now
hlim10 lchen59 : User can be able to see their personal character info
hlim10 lchen59 : User cannot register or login when internet is not
connected
mergins US6 and US4
Merge branch 'US6' of https://github.com/kevinwchen26/ToDoRPG into US6