Add autoroll server

autoroll/res/imp/arb-status-sk.html

 <!--
   The common.js file must be included before this file.
 
   This in an HTML Import-able file that contains the definition
   of the following elements:
 
     <arb-status-sk>
 
   To use this file import it:
 
@@ skipping 96 matching lines @@
           <div class="td">Recent:</div>
           <div class="td">
             <div class="table">
               <div class="tr">
                 <div class="th">Roll</div>
                 <div class="th">Last Modified</div>
                 <div class="th">Result</div>
               </div>
               <template is="dom-repeat" items="{{recent}}">
                 <div class="tr">
-                  <div class="td"><a href="">{{item.subject}}</a></div>
+                  <div class="td"><a href="{{_issueURL(item)}}" target="_blank">{{item.subject}}</a></div>
                   <div class="td"><human-date-sk date="{{item.modified}}" diff></human-date-sk> ago</div>
                   <div class="td"><span class$="{{_rollClass(item)}}">{{_rollResult(item)}}</span></div>
                 </div>
               </template>
             </div>
           </div>
         </div>
         <div class="tr">
           <div class="td">Full History:</div>
           <div class="td">
@@ skipping 80 matching lines @@
 
       _buttonPressed: function(e) {
         if (!this._editRights) {
           sk.errorMessage("You must be logged in with an @google.com account to set the ARB mode.");
           return
         }
         var mode = e.srcElement.innerHTML;
         if (mode == this.mode) {
           return;
         }
-        var modeIdx = this.validModes.indexOf(mode);
-        sk.post("/setMode", JSON.stringify({"mode": modeIdx})).then(JSON.parse).then(function (json) {
+        var url = "/json/mode";
+        var body = JSON.stringify({"mode": mode});
+        sk.post(url, body).then(JSON.parse).then(function (json) {
           this._update(json);
         }.bind(this), function(err) {
           sk.errorMessage("Action failed: " + err);
         });
       },
 
       _issueURL: function(issue) {
         if (issue) {
           return "https://codereview.chromium.org/" + issue.issue;
         }
@@ skipping 52 matching lines @@
         }
         this._setModeButtons(modeButtons);
 
         this._lastLoaded = new Date().toLocaleTimeString();
         this._resetTimeout();
         console.log("Reloaded status.");
       },
     });
   </script>
 </dom-module>