Added an ActivityUtils. This handles the logic for the adding/removing/etc of fragments. Allows one central place for storing this code across different types of base activities.
Upped version numb in for gradle. Added methods that do not take the animation ids to the activityutils and their classes.
Added model package that contains a base DhContract class to handle common things used when creating a Database and stuff.
Added a content provider class that handles some common functionalities that we should do.