Major update to code structure

   * Split files into independent files based on functionality.
   * Switch to bower/gulp for build.

Change-Id: Ibc775dd9b7f6a0a49f63c22162b7582e781e2d9c
Signed-off-by: Iftekharul Islam <iislam@us.ibm.com>
diff --git a/app/common/directives/app-navigation.js b/app/common/directives/app-navigation.js
new file mode 100644
index 0000000..d09588a
--- /dev/null
+++ b/app/common/directives/app-navigation.js
@@ -0,0 +1,28 @@
+window.angular && (function (angular) {
+    'use strict';
+
+    angular
+        .module('app.common.directives')
+        .directive('appNavigation', function () {
+            return {
+                'restrict': 'E',
+                'templateUrl': 'common/directives/app-navigation.html',
+                'scope': {
+                    'path': '=',
+                    'showNavigation': '='
+                },
+                'controller': ['$scope', 'dataService', function($scope, dataService){
+                    $scope.$watch('showNavigation', function(){
+                        var paddingTop = 0;
+                        $scope.firstLevel = 'overview';
+                        $scope.secondLevel = 'system_overview';
+                        if($scope.showNavigation){
+                            paddingTop = document.getElementById('header__wrapper').offsetHeight;
+                        }
+                        dataService.bodyStyle = {'padding-top': paddingTop + 'px'};
+                        $scope.navStyle = {'top': paddingTop + 'px'};
+                    });
+                }]
+            };
+        });
+})(window.angular);