removes map.js, clears npm cache
adds bruno mars
changes out timberlakes image, adjusts vibrance
adds adele cell
adds taylor swift cell
adds adam levine cell
adds demi lovato cell, completes 12 artists
updates read me
adds imagine dragons, maroon 5 to levine, switches levine cell and bieber cell location
removes foreign characters from tweets
Merge pull request #6 from scottjason/create-new-artist-boxes

creates new artist boxes, 12 of 16 render