Inserting displaylinenumbers flag.

Signed-off-by: Alysson Raniere <alysson.raniere@gmail.com>
Signed-off-by: Carlos Filipe <carlosfilipe.lb@gmail.com>
Signed-off-by: Paulo Borba <pauloesb@gmail.com>
Merge branch 'new_flag_dln' of https://github.com/Analizo-MES-1-2014/analizo into display_line_numbers