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/ViewModels/PdfViewModel.cs

@@ -37,7 +37,6 @@ public class ECNPdf {
     public bool IsEmergencyTECN { get; set; }
 
     [DataType(DataType.Date)]
-    //[DisplayFormat(DataFormatString = "{0:MM/dd/yyyy}")]
     public DateTime? ExpirationDate { get; set; }
 
     [DisplayFormat(DataFormatString = "{0:MM/dd/yyyy}")]