implement componenitized navigation and remove old nav and layout code

awx/ui/client/lib/components/layout/side-nav.directive.js

@@ -0,0 +1,32 @@
+function atSideNavLink (scope, element, attrs, ctrl) {
+    scope.layoutVm = ctrl;
+}
+
+function AtSideNavController () {
+    let vm = this || {};
+
+    vm.isExpanded = true;
+
+    vm.toggleExpansion = () => {
+        vm.isExpanded = !vm.isExpanded;
+    }
+}
+
+function atSideNav (pathService) {
+    return {
+        restrict: 'E',
+        replace: true,
+        require: '^^atLayout',
+        controller: AtSideNavController,
+        controllerAs: 'vm',
+        link: atSideNavLink,
+        transclude: true,
+        templateUrl: pathService.getPartialPath('components/layout/side-nav'),
+        scope: {
+        }
+    };
+}
+
+atSideNav.$inject = ['PathService'];
+
+export default atSideNav;