title: Changing base color in sencha touch 2.2
body: <p>Recently i upgraded sencha framework to 2.2, facing problem with the scss.
  Not able to change the base color($base-color) of the app.
  follwing is the code i have in app.scss</p>
  
  <pre><code>@import 'sencha-touch/default';
  @import 'sencha-touch/default/all';
  $base-color: #008c99;
  </code></pre>
  
  <p>color change is not reflected any where in the app.</p>
  
  <p>Is this the proper way to set the base color of the app, if not please let me know where i fumbled.</p>
  
  <p>thanks in advance.</p>