Added header directive and updated breadcrumb in each view (#8)

app/directives/header-content.js

@@ -0,0 +1,11 @@
+angular
+.module('uifordocker')
+.directive('rdHeaderContent', function rdHeaderContent() {
+  var directive = {
+    requires: '^rdHeader',
+    transclude: true,
+    template: '<div class="breadcrumb-links" ng-transclude></div>',
+    restrict: 'E'
+  };
+  return directive;
+});