Add -h/--help for duby/dubyc commands plus printing help when invalid flags. Also moved "-java" to "--java" for consistency with other unix commands.
Add -h/--help for duby/dubyc commands plus printing help when invalid flags. Also moved "-java" to "--java" for consistency with other unix commands.

uujava/mirah,mirah/mirah,KeenS/mirah,uujava/mirah,felixvf/mirah,aspleenic/mirah,aspleenic/mirah,mirah/mirah,felixvf/mirah,nuclearsandwich/mirah,felixvf/mirah,mirah/mirah,aspleenic/mirah,uujava/mirah,felixvf/mirah,nuclearsandwich/mirah,nuclearsandwich/mirah,KeenS/mirah,uujava/mirah,KeenS/mirah,aspleenic/mirah,uujava/mirah,aspleenic/mirah,KeenS/mirah,mirah/mirah