Added route prefix /submit to SubmissionController and added this route to secruity.yml
New instructions
Merge branch 'master' of github.com:archie18/Postulacion-PDCB

Conflicts:
	src/MeloLab/BioGestion/PostulacionBundle/Controller/SubmissionController.php
More updates.
Merge branch 'master' of github.com:archie18/Postulacion-PDCB