Added string value to variable record and cleanup.

Added the string value member to the variable record and cleaned up the
ice9.y file removing alot of comments and reformatting some of the {}
braces enclosing rule code.

 On branch p3_conversion
 Changes to be committed:
   (use "git reset HEAD <file>..." to unstage)

	modified:   VarRec.C
	modified:   VarRec.H
	modified:   ice9.y