Adding "target" option to block edit view.

Signed-off-by: Guilherme C. Muniz<guilherme.cmuniz@gmail.com>
Signed-off-by: Lucas Couto<loc.unb@gmail.com>
Signed-off-by: Marcos Ramos<ms.ramos@outlook.com>
Signed-off-by: Rafael de Souza Queiroz<querafael@live.com>
Signed-off-by: Victor Carvalho<victorhugodf.ac@gmail.com>