Added Sign Up and Sign In ViewControllers, Navigation Controller, Segues, Custom Class for Inbox tied to Scene

Added associated Text Fields, Buttons, Custom Buttons, Custom Email Keyboard (for User Experience)
Added Button Action Segue, Manual Sign In Segue
Removed default methods and code from Custom Class not expecting to use
Fixed Error by Embedding Instance of Navigation Controller with Inbox TableViewController to control Manual Segues (Sign In, Sign Up). Added Navigation Titles
Embedded Navigation ViewController into Friend & Camera ViewControllers. Tested Successfully

Test Results: Opens in Sign In View, Sign Up Button click changes page to Sign Up View
Added Extra Frameworks as dependencies for Parse.com Framework for Web Interface to store Users
Tested saving Data into new row Object (Table) on Parse.com. Added Comments describing process.
Created Custom Classes for SignupViewController and LoginViewController and Connected to Storyboard
Added IBOutlets and IBActions for Text Fields and Button on SignupViewController. Debug required as Inbox not loading when Run App
Merge pull request #3 from ltfschoen/20140508

Merge