Added an ‘InsertSymbol’ method for Word interface

Support for toggle of underlining for RO’s when used in Word documents
Fixed access of column mode for subsections
Improve table layout on screen (was overlaying table on text or another table)
Fixed problem where RNO text was printing past right margin. Print was using incorrect columnmode for subsection

PROMS/Volian.Print.Library/vlnParagraph.cs

@@ -72,6 +72,8 @@ namespace Volian.Print.Library
 
 			foreach (ItemInfo iChildItemInfo in itemInfoList)
 			{
+				if (iChildItemInfo.IsSection && (iChildItemInfo as SectionInfo).ColumnMode != maxRNO) 
+					maxRNO = (iChildItemInfo as SectionInfo).ColumnMode;
 				ItemInfo childItemInfo = iChildItemInfo;
 				int? bxIndx = childItemInfo.FormatStepData == null ? -1 : childItemInfo.FormatStepData.StepLayoutData.STBoxindex;