v 1.0.5-rc20-alpha5

in order to build 1.0.5-rc20-alpha5

* fixing dep graph, while moving as must as possible code from Yavsc to
Yavsc.Server
* impoved topmost Makefile
* cleaned the badly desined, ans system redondant "Action" definiton

Yavsc.Server/Interfaces/IGoogleCloudMessageSender.cs

@@ -0,0 +1,28 @@
+
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Yavsc.Interfaces.Workflow;
+using Yavsc.Models.Google.Messaging;
+using Yavsc.Models.Haircut;
+using Yavsc.Models.Messaging;
+
+namespace Yavsc.Services
+{
+    public interface IGoogleCloudMessageSender
+    {
+        Task<MessageWithPayloadResponse> NotifyBookQueryAsync(
+            IEnumerable<string> registrationId, 
+            RdvQueryEvent ev);
+
+        Task<MessageWithPayloadResponse> NotifyEstimateAsync(
+            IEnumerable<string> registrationId, 
+            EstimationEvent ev);
+
+        Task<MessageWithPayloadResponse> NotifyHairCutQueryAsync(
+            IEnumerable<string> registrationId, 
+            HairCutQueryEvent ev);
+        Task<MessageWithPayloadResponse> NotifyAsync(
+            IEnumerable<string> regids, 
+            IEvent yaev);
+    }
+}