title: Change Color TabSelector on v4 ViewPager
body: <p>Is it possible to change color of selected tab on <a href="http://developer.android.com/reference/android/support/v4/view/ViewPager.html" rel="noreferrer">v4 ViewPager</a>?<br/>
  I need to use v4 ViewPager, but I don't find any source to customize it.<br/>
  Just to clarify I need to change the blue color to another one:</p>
  
  <p><img src="https://i.stack.imgur.com/lvP4Q.png" alt="TabSelector"></p>