Merge pull request #1 from matt16749/model_branch

Created the model comprised of a Deck class and its Card objects
Merge pull request #2 from matt16749/model_branch

Adding pre-defined flashcards about Ender's Game
Created the page and it's view responsible for adding a new card to our deck
There is a form on the page that has two text fields for the two properties of a card
There is an event listener on the button that the NewCardViewController users to add a card with the form's information