Command queue

New: Adding multiple series will queue them instead of running all at once
New: Slower scheduled tasks won't be block others from running

src/NzbDrone.Api.Test/MappingTests/ResourceMappingFixture.cs

@@ -116,14 +116,12 @@ namespace NzbDrone.Api.Test.MappingTests
             profileResource.InjectTo<Profile>();
 
         }
-
-
-
+        
         [Test]
         public void should_map_tracked_command()
         {
-            var profileResource = new ApplicationUpdateCommand();
-            profileResource.InjectTo<CommandResource>();
+            var commandResource = new CommandModel { Body = new ApplicationUpdateCommand() };
+            commandResource.InjectTo<CommandResource>();
         }
     }