Add hash navigation to admin Enterprise edit view

app/assets/javascripts/admin/enterprises/controllers/side_menu_controller.js.coffee

@@ -22,7 +22,7 @@ angular.module("admin.enterprises")
       { name: 'users', label: t('users'), icon_class: "icon-user" }
     ]
 
-    $scope.select(0)
+    SideMenu.init()
 
     $scope.showItem = (item) ->
       if item.show?

app/assets/javascripts/admin/side_menu/services/side_menu.js.coffee

@@ -1,9 +1,21 @@
 angular.module("admin.side_menu")
-  .factory "SideMenu", ->
+  .factory "SideMenu", ($location) ->
     new class SideMenu
       items: []
       selected: null
 
+
+      # Checks for path and uses it to set the view
+      # If no path, loads first view
+      init: =>
+        path = $location.path()?.match(/^\/\w+$/)?[0]
+        index = if path
+          name = path[1..]
+          @items.indexOf(@find_by_name(name))
+        else
+          0
+        @select(index)
+
       setItems: (items) =>
         @items = items
         item.visible = true for item in @items
@@ -13,6 +25,7 @@ angular.module("admin.side_menu")
           @selected.selected = false if @selected
           @selected = @items[index]
           @selected.selected = true
+          $location.path(@selected.name)
 
       find_by_name: (name) =>
         for item in @items when item.name is name