Now that iframes are used in shop_log this fixes #45, thanks to Matt Marino for observing this issue.

include_footer.html

@@ -1,9 +1,9 @@
 <div class="footer">
     Send feedback about YBDB
     <span class="footer-line">
-      <a href="https://github.com/fspc/Yellow-Bike-Database/issues">Bugs</a> |
-      <a href="https://github.com/fspc/Yellow-Bike-Database/wiki">Wiki</a> |
-      <a href="https://github.com/fspc/Yellow-Bike-Database/wiki/Development">Contribute</a>
+      <a href="https://github.com/fspc/Yellow-Bike-Database/issues" target="_blank">Bugs</a> |
+      <a href="https://github.com/fspc/Yellow-Bike-Database/wiki" target="_blank">Wiki</a> |
+      <a href="https://github.com/fspc/Yellow-Bike-Database/wiki/Development" target="_blank">Contribute</a>
     </span>
   </div>
 </td>