title: Rails Gem bundler not installed - even after I install it
body: <p>For a Rails app, I tried running <code>$ bundle install</code>. But, even after I ran <code>$ gem install bundler</code>, I got the same message.</p>
  
  <p>this is what happened:</p>
  
  <pre><code>Run `bundle install` to install missing gems.
  Davids-iMac-2:213calendar davidburton$ bundle install
  ERROR: Gem bundler is not installed, run `gem install bundler` first.
  Davids-iMac-2:213calendar davidburton$ gem install bundler
  Successfully installed bundler-1.3.5
  1 gem installed
  Installing ri documentation for bundler-1.3.5...
  Installing RDoc documentation for bundler-1.3.5...
  Davids-iMac-2:213calendar davidburton$ bundle install
  ERROR: Gem bundler is not installed, run `gem install bundler` first.
  </code></pre>
  
  <p>UPDATE1</p>
  
  <pre><code>rvm list
  
  rvm rubies
  
     ruby-1.9.2-p290 [ x86_64 ]
  =* ruby-1.9.3-p374 [ x86_64 ]
  
  # =&gt; - current
  # =* - current &amp;&amp; default
  #  * - default
  </code></pre>