title: Error:(254) Attribute "background" already defined with incompatible format
body: <p>In my old project i have use <code>roboguice-sherlock</code> and <code>actionbarsherlock</code>, now i also want to implement <code>com.android.support:appcompat-v7</code> and <code>com.android.support:design</code> but when i am trying to add this two dependencies in gradle i got this error given below.
  I have also try to replace it but in some case it is compulsory to use <code>sherlock</code></p>
  
  <pre><code>Error:(254) Attribute "background" already defined with incompatible format.
  Error:(130) Original attribute defined here.
  Error:(481) Attribute "navigationMode" already defined with incompatible format.
  Error:(241) Original attribute defined here.
  Error:(489) Attribute "displayOptions" already defined with incompatible format.
  Error:(247) Original attribute defined here.
  Error:(502) Attribute "itemBackground" already defined with incompatible format.
  Error:(474) Original attribute defined here.
  Error:(505) Attribute "actionBarSize" already defined with incompatible format.
  Error:(297) Original attribute defined here.
  Error:(507) Attribute "windowMinWidthMajor" already defined with incompatible format.
  Error:(296) Original attribute defined here.
  Error:(507) Attribute "windowMinWidthMinor" already defined with incompatible format.
  Error:(296) Original attribute defined here.
  Error:(254) Attribute "background" already defined with incompatible format.
  Error:(130) Original attribute defined here.
  Error:(481) Attribute "navigationMode" already defined with incompatible format.
  Error:(241) Original attribute defined here.
  Error:(489) Attribute "displayOptions" already defined with incompatible format.
  Error:(247) Original attribute defined here.
  Error:(502) Attribute "itemBackground" already defined with incompatible format.
  Error:(474) Original attribute defined here.
  Error:(505) Attribute "actionBarSize" already defined with incompatible format.
  Error:(297) Original attribute defined here.
  Error:(507) Attribute "windowMinWidthMajor" already defined with incompatible format.
  Error:(296) Original attribute defined here.
  Error:(507) Attribute "windowMinWidthMinor" already defined with incompatible format.
  Error:(296) Original attribute defined here.
  </code></pre>