merge?
Revert "merge?"

This reverts commit ec4c3bebe95e1d74b7eb5befb0156dde5244a153.
Se creo el Formulario para que el profesor suba el PDF y el FileController.js  (se utilizo el $npm install skipper y Sails generate api file)
Merge remote-tracking branch 'origin/feature/uploadPDF' into feature/diferent_screen
Merge branch 'feature/diferent_screen' of github.com:uccor/labit into feature/diferent_screen