title: Add bootstrap css to odoo report
body: <p>I'm create report with bootstrap element...<a href="https://postimg.org/image/nyoith02t/" rel="nofollow">https://postimg.org/image/nyoith02t/</a></p>
  
  <p>Look is not good, how add bootstrap path on report, or inherit from other module?</p>
  
  <p>My module location is odoo9 / custom_module / my_module (not in addons).</p>