Force new dev version of DAVE

wiki/src/install/inc/steps/download.inline.html

@@ -4,7 +4,7 @@ Download and verify
 <div class="step-image">[[!img install/inc/infography/download-and-verify.png link="no"]]</div>
 
 <div id="download-and-verify">
-  <div id="extension-version">0.2.5</div>
+  <div id="extension-version">0.2.6.7</div>
 
   <div id="undetected-browser">
     <p>We failed to detect your browser vendor, maybe because JavaScript is disabled.</p>