Specific changes to Byron/Braidwood fomat files

Added default parameter to GetCombinedSlaveValue method and revised calls to method to utilize default parameter
Added code to convert xF8 to degree symbol
Revised CheckNoteCautionTab to handle when step format data calls for separate boxes for notes and cautions
Added BoxLeftAdj property to support Braidwood boxed items

PROMS/VEPROMS.CSLA.Library/Config/ROFSTLookup.cs

@@ -206,6 +206,7 @@ namespace VEPROMS.CSLA.Library
 		{
 			string orig = s2;
 			s2 = s2.Replace("`", @"\'b0");			// convert backquote to degree - left over from DOS days.
+			s2 = s2.Replace("\xf8", @"\'b0");			// convert \xf8 to degree.
 			s2 = s2.Replace("\xa0", @"\u160?");		// hardspace
 			s2 = s2.Replace("\xb0", @"\'b0");		// degree
 			s2 = s2.Replace("\x7f", @"\u916?");		// delta