Moved System.IO references from DMO classes to Static Helpers

Removed nugetSource from pipeline
Removed more comments
Created Static Classes for most DMO / Controller Classes
Push ConfigurationManager.AppSettings to controller
Align Tests with other Projects

Fab2ApprovalSystem/Models/ApprovalLogHistory.cs

@@ -9,7 +9,6 @@ public class ApprovalLogHistory {
     public string Operation { get; set; }
     public string SubRole { get; set; }
 
-    //[Display(Name = "Operation Time")]
     public DateTime OperationTime { get; set; }
     public string Comments { get; set; }