Update the hatter/bin script.

Now uses /usr/bin/env ruby to launch hatter.

Author: expez

bin/hatter

@@ -1,3 +1,3 @@
-#!/bin/bash
-DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
-cd $DIR && cd .. && bundle exec ruby -I lib lib/hatter.rb
+#!/usr/bin/env ruby
+$LOAD_PATH.unshift File.expand_path('../lib')
+require 'hatter'