BGE: Handle {} around ro values

BGE: Added an x-Location of end message for a section
Use x-location of end message for a section; tab format for sequential tabs at 4th level; hls tab spaces; indent in transition format 9
BGE: Use x-location of end message for a section
BGE: support for top continue messages that contain tab for continued step
resolve {Step Text} token in transition; modify code that processes transition format to use collection matches rather than search for ‘{‘
support AllUnits ro flag
support ‘{‘ and ‘}’ around ro value
top continue message with tab; location of top continue message in both AER/RNO columns for dual column; support indent in transition format during print
support two top continue messages (aer/rno) that can have different text; fix bug in splitting procedure title text if it contains hard spaces

PROMS/DataLoader/RefObjs.cs

@@ -81,6 +81,8 @@ namespace DataLoader
 						{
 							roval = roval.Substring(0, roval.IndexOf('\n'));
 						}
+						roval = roval.Replace("{", @"\{");
+						roval = roval.Replace("}", @"\}");
 						// add an annotation stating  "Invalid Unit RO 'ROID'.  Need an Item for this, so just add
 						// it to a list of 'invalid ros' so that calling method can add annotations to the Item.
 						if (roval == "?")