Add UI to new botlist to show summary

appengine/swarming/elements/res/imp/botlist/bot-list-shared.html

Index: appengine/swarming/elements/res/imp/botlist/bot-list-shared.html
diff --git a/appengine/swarming/elements/res/imp/botlist/bot-list-shared.html b/appengine/swarming/elements/res/imp/botlist/bot-list-shared.html
index 246381f38afef865485d92eb7b1c8a5c31fb79e0..ca8d6cf47aa088459da5dfa4fba9001618e2b609 100644
--- a/appengine/swarming/elements/res/imp/botlist/bot-list-shared.html
+++ b/appengine/swarming/elements/res/imp/botlist/bot-list-shared.html
@@ -132,7 +132,16 @@
       },
 
       _not: function(a) {
-        return a;
+        return !a;
+      },
+
+      _or: function() {
+        var result = false;
+        // can't use .foreach, as arguments isn't really a function.
+        for (var i = 0; i < arguments.length; i++) {
+          result = result || arguments[i];
+        }
+        return result;
       },
 
       _taskId: function(bot) {