Added ActiveAndroid to the libs folder and added it to the build path
Configured ActiveAndroid
Added a class to represent a city

Added a class to represent a city in which a Erasmus+ exchange be held.
Moved IntroActivity into a new package

Moved IntroActivity into the activities package for better code
organization
Added a method to load the database the first time the app is run
Added a few labels and updated layouts to linear
Created the Institution class to represent institutions

Added a class to represent various institutions that can house an
exchange.
Updated the method that populates the database on first run

Added Institution population to the preloadDatabase method.
Implemented a simple interface for inter fragment communication

Implemented a simple interface to allow the communication of
LocationConfirmationFragment and InstitutionFragment through the
IntroActivity.
Implemented the interface for fragment communication

Implemented the interface used for fragment communication, updated the
database version, and added code that loads the appropriate institutions
to the institutionsSpinner depending on the city selected in the
LocationConfirmationFragment.