Adding attachment storage type to project creation

This was causing issues when I was creating projects on my local machine, I have tried to retrofit logic from the attachment settings user control, but you should be aware that the stored procedure to create projects fails as this parameter is not specified in the unchanged code

src/BugNET.Entities/Project.cs

@@ -55,7 +55,7 @@ public Project()
         ///// Gets or sets the type of the attachment storage.
         ///// </summary>
         ///// <value>The type of the attachment storage.</value>
-        //public IssueAttachmentStorageTypes AttachmentStorageType { get; set; }
+        public IssueAttachmentStorageTypes AttachmentStorageType { get; set; }
 
         /// <summary>
         /// Gets or sets the code.