Update bridgepdx theme for 2012.

Author: igal

themes/bridgepdx/layouts/_header.html.erb

@@ -71,7 +71,7 @@
     <h1 id="site-title"><span><a href="<%= SETTINGS.public_url %>" title="<%= SETTINGS.organization %>" rel="home"><%= SETTINGS.organization %></a></span></h1>
     <div id="site-description">
        <h2>The conference for open source citizens</h2>
-       <p id='conference-date-location'>June 21&ndash;24, 2011 <span class='separator'>|</span> Portland, Oregon</p>
+       <p id='conference-date-location'>June 26&ndash;29, 2019 <span class='separator'>|</span> Portland, Oregon</p>
     </div>
   </div>
 </div>