Add window creation in visu

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Implement visu field of view setting call

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Start implementation of visu 3d transformations

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>