Integrated Sign-Up Func with GUI. Needs Testing
Merge branch 'gui' of https://github.com/tina-wang365/UCRCS180Project into gui

Integrated SignUp Func. with GUI. Needs Testing.
"Eliminated setText function in login."
giMerge branch 'gui' of https://github.com/tina-wang365/UCRCS180Project into gui

Eliminating setText function in login