Ensures controllers are authenticated. fixes type with login directive.

src/Umbraco.Web/Trees/ApplicationTreeApiController.cs

@@ -13,10 +13,8 @@ using umbraco.cms.presentation.Trees;
 namespace Umbraco.Web.Trees
 {
 
-    //NOTE: We will of course have to authorized this but changing the base class once integrated
-
     [PluginController("UmbracoTrees")]
-    public class ApplicationTreeApiController : UmbracoApiController //UmbracoAuthorizedApiController
+    public class ApplicationTreeApiController : UmbracoAuthorizedApiController
     {
 
         /// <summary>

src/Umbraco.Web/Trees/LegacyTreeApiController.cs

@@ -10,13 +10,12 @@ using umbraco.businesslogic;
 
 namespace Umbraco.Web.Trees
 {
-    //NOTE: We will of course have to authorized this but changing the base class once integrated
 
     /// <summary>
     /// This is used to output JSON from legacy trees
     /// </summary>
     [PluginController("UmbracoTrees")]
-    public class LegacyTreeApiController : UmbracoApiController //UmbracoAuthorizedApiController
+    public class LegacyTreeApiController : UmbracoAuthorizedApiController
     {
         /// <summary>
         /// Convert a legacy tree to a new tree result

src/Umbraco.Web/Trees/TreeApiController.cs

@@ -12,7 +12,7 @@ namespace Umbraco.Web.Trees
     /// <summary>
     /// The base controller for all tree requests
     /// </summary>    
-    public abstract class TreeApiController : UmbracoApiController //UmbracoAuthorizedApiController
+    public abstract class TreeApiController : UmbracoAuthorizedApiController
     {
         /// <summary>
         /// Remove the xml formatter... only support JSON!