Add Option.Description auto-wrapping to OptionSet.WriteOptionDescriptions().
Add Option.Description auto-wrapping to OptionSet.WriteOptionDescriptions().

	* src/NDesk.Options/NDesk.Options/Options.cs: Auto-wrap the descriptive text
	  so that it looks nice on an 80-column wide display (i.e. descriptions
	  shouldn't enter column 1).

MikeJansen/NDesk.Options.StrongNamed,chakrit/ndesk-options-mirror,chakrit/ndesk-options-mirror,MikeJansen/NDesk.Options.StrongNamed,MikeJansen/NDesk.Options.StrongNamed