Adds more robust routing; can now handle requests for :hex.png even i…

…f .png doesn't exist.

colors.rb

@@ -1,11 +1,15 @@
 require 'rubygems'
-require 'chunky_png'
-require 'sinatra'
+require 'vendor/chunky_png/lib/chunky_png'
+require 'vendor/sinatra/lib/sinatra'
 
 get '/' do
   redirect '/index.html'
 end
 
+get '/:hex.png' do
+  redirect '/'+params[:hex]
+end
+
 get '/:hex' do
   hex = params[:hex].sub('.png','')
   if hex.size == 3