Adds dynamic filtering to EntityService (post filtering for GetAll) - updated the insert macro dialog to ensure that it only shows macros flagged for the rte when in rte mode, otherwise shows all of them. adds unit tests for dynamic queryable stuff.

src/Umbraco.Web/Dynamics/DynamicQueryable.cs

@@ -11,6 +11,11 @@ using Umbraco.Web.Models;
 
 namespace Umbraco.Web.Dynamics
 {
+    //TODO: Much of this can move to Umbraco.Core.Dynamics - but somehow need to remove all the hard coded references to things like 
+    // dynamicnull, etc...
+    //NOTE:  The OrderBy stuff here seems to be a bit hacked with hard references to umbraco node objects so don't think it can be
+    // re-used which is why we have the OrderBy stuff that hasn't been hacked in teh Umbraco.Core.Dynamics
+
     internal static class DynamicQueryable
     {
         public static IQueryable<T> Where<T>(this IQueryable<T> source, string predicate, params object[] values)