title: RuntimeError with mysql2 and rails3 (bundler)
body: <p>I get this error</p>
  
  <pre><code>`establish_connection': Please install the mysql2 adapter: `gem install activerecord-mysql2-adapter` (no such file to load -- active_record/connection_adapters/mysql2_adapter) (RuntimeError)
    from /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/gems/1.8/gems/activerecord-
  </code></pre>
  
  <p><a href="http://pastie.org/1088017" rel="noreferrer">Here</a> is dump of whole error and my config and gemfile.</p>