Make the button work on dialog Fragment

In NewUserLogin Activity:

I write new code for positive and negative click, now when you hit
submit, the dialog will pop up and you can choose OK or Cancel button.
OK button will go to next screen.
Merge branch 'master' of https://github.com/FayeFZ/FamCam-Project

Conflicts:

AndroidFamCamProject/app/src/main/java/com/lilysamimi/famcamproject/AddF
amilyMembers.java

AndroidFamCamProject/app/src/main/java/com/lilysamimi/famcamproject/NewU
serLogin.java

AndroidFamCamProject/app/src/main/java/com/lilysamimi/famcamproject/Test
Dialog.java