Created Utils class with various navigation methods

Created a class with some static navigation methods.
Updated IntroActivity to make use of the new static methods
Changed member types and added the 'name' member

The name member represents the name of the location for which the
coordinates are stored in the object.
Updated the layout for the InstitutionFragment

Updated the layout for InstitutionFragment to enable it to host an
arbitrary number of buttons used to navigate the user to various
locations of the institution.
Fixed the method name used to retrieve all coordinates
Updated initWidgets to display navigation buttons
Added coordinates of one TVZ location to preloadDatabase
Fixed method name
Fixed comment text
Updated onViewCreated to display navigation buttons