Added UITextFieldDelegate

Adding Delegate for user interaction with Return key to perform login
method.
Verfication of User

Created a Verification system for the User before logging in. Also
created a function for the server or "parse" login process.
Added Parse Frameworks, and Login on Parse

Everything Parese wise is done on the Login page, we need to add
Application ID.
Merge pull request #1 from brkearns/master

Adding Parse Login.