Sort ROs in Groups

Use generic comparison from DisplayRO to sort ROs
Make GreaterValue public so that it can be used for DisplayReports and DisplaySearch to sort ROs consistently.
Remove debug printout

PROMS/Volian.Controls.Library/DisplayRO.cs

@@ -369,7 +369,7 @@ namespace Volian.Controls.Library
 		}
 		private static Regex _RegExGetNumber = new Regex(@"^ *[+-]?[.,0-9/]+(E[+-]?[0-9]+)?");
 		// Sort by numeric value if possible, Otherwise sort alphabetically.
-		private bool GreaterValue(string value1, string value2)
+		public static bool GreaterValue(string value1, string value2)
 		{
 			Match match1 = _RegExGetNumber.Match(value1);
 			Match match2 = _RegExGetNumber.Match(value2);