v 1.0.5-rc20-alpha5

in order to build 1.0.5-rc20-alpha5, an alpha6

* moves again the db context from server lib to main assembly,
  since migrations are not written correctly in these conditions.
* 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
* reoganized some source code file locations

Yavsc.Server/Models/IT/SourceCode/GitRepository.cs

@@ -1,15 +1,21 @@
+using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using Yavsc.Models;
 
 namespace Yavsc.Server.Models.IT.SourceCode
 {
     public class GitRepositoryReference
-    {
-
-        public string Url { get; set; }
+    {        
+        [Key]
         public string Path { get; set; }
+
+        [StringLength(2048)]
+        public string Url { get; set; }
+
+        [StringLength(512)]
         public string Branch { get; set; }
 
+        [StringLength(1024)]
         public string OwnerId { get; set; }
         
         [ForeignKey("OwnerId")]