Merge pull request #3482 from hypothesis/hashtag-annotate

Adds hashtag #annotated to web intent

h/templates/client/annotation_share_dialog.html

 <div class="annotation-share-dialog" ng-class="{'is-open': vm.isOpen}">
   <div class="annotation-share-dialog-target">
     <span class="annotation-share-dialog-target__label">Share:</span>
-    <a href="https://twitter.com/intent/tweet?url={{vm.uri | urlEncode}}"
+    <a href="https://twitter.com/intent/tweet?url={{vm.uri | urlEncode}}&hashtags=annotated"
       target="_blank"
       title="Tweet link"
       class="annotation-share-dialog-target__icon h-icon-twitter"></a>

h/templates/client/share_dialog.html

@@ -14,7 +14,7 @@
           ng-value="vm.viaPageLink"
           readonly /></p>
       <p class="share-link-icons">
-      <a href="https://twitter.com/intent/tweet?url={{vm.viaPageLink | urlEncode}}"
+      <a href="https://twitter.com/intent/tweet?url={{vm.viaPageLink | urlEncode}}&hashtags=annotated"
          target="_blank"
          title="Tweet link"
          class="share-link-icon h-icon-twitter"></a>