Implementing more of the jobs ui.

* fixes in the jobs detail panel
* hover for job group shows group name
* view log directly from right-clicking a job icon

ui/js/directives.js

@@ -1,3 +1,14 @@
 'use strict';
 
 /* Directives */
+treeherder.directive('ngRightClick', function($parse) {
+    return function(scope, element, attrs) {
+        var fn = $parse(attrs.ngRightClick);
+        element.bind('contextmenu', function(event) {
+            scope.$apply(function() {
+                event.preventDefault();
+                fn(scope, {$event:event});
+            });
+        });
+    };
+});