BootMap.View displays font awesome icons on each boot's pop-up.
  * uses web source instead of a gem or local copy of icons
  * links to boot's social media profiles updated to use the proper column names from the Boots table.
Adds styles to Boot popup.
Passes eight map specs.
  * these are weak.
  * Specs do not pass when interacting with any Leaflet libary, continually receving 'undefined is not a function' messages.
    * to pass the tests and still have a functional map I've defined the necessary functions in the 'before each' block in the specs.
Displays count of cities with boots around the world.
sets coordinates of initial map position