selection of map and section is implemented

Signed-off-by: Sébastien Boisvert <sebastien.boisvert.3@ulaval.ca>
worked out the authors file

Signed-off-by: Sébastien Boisvert <sebastien.boisvert.3@ulaval.ca>
added choice values

Signed-off-by: Sébastien Boisvert <sebastien.boisvert.3@ulaval.ca>
adjusted the height of the inventory

Signed-off-by: Sébastien Boisvert <sebastien.boisvert.3@ulaval.ca>
modified the code so that the selector can be reused

Signed-off-by: Sébastien Boisvert <sebastien.boisvert.3@ulaval.ca>
modified the position of the OK button

Signed-off-by: Sébastien Boisvert <sebastien.boisvert.3@ulaval.ca>