Merge pull request #1 from xolotl/CCO-terminology

correcting CC0 terminology

src/sidebar/templates/annotation.html

@@ -121,7 +121,7 @@
     <div class="annotation-section annotation-license"
       ng-show="vm.isShared() && vm.editing()">
       <a class="annotation-license__link" href="http://creativecommons.org/publicdomain/zero/1.0/"
-        title="View more information about the Creative Commons Public Domain license"
+        title="View more information about the Creative Commons Public Domain dedication"
         target="_blank">
         <i class="h-icon-cc-logo"></i><i class="h-icon-cc-zero"></i>
         Annotations can be freely reused by anyone for any purpose.