Fixed object prop names

src/Database/ReturnObjects/GitlabResourceTypeObject.cs

@@ -6,7 +6,7 @@ namespace Coscine.Database.ReturnObjects
     public class GitlabResourceTypeObject : ResourceTypeOptionObject
     {
         public Guid Id { get; set; }
-        public string BranchName { get; set; }
+        public string Branch { get; set; }
         public int ProjectId { get; set; }
         public Uri RepoUrl { get; set; }
         public string AccessToken { get; set; }
@@ -14,7 +14,7 @@ namespace Coscine.Database.ReturnObjects
         public GitlabResourceTypeObject(Guid id, string branchName, int projectId, string repoUrl, string accessToken)
         {
             Id = id;
-            BranchName = branchName;
+            Branch = branchName;
             ProjectId = projectId;
             RepoUrl = new Uri(repoUrl);
             AccessToken = accessToken;