add table docentes
integrando bootstrap
solved problem
fixed relationship Model Carrera and Docente
Merge pull request #54 from rbarrera87/54-Teachers-integrate-bootstrap-in-shell

integrar bootstrap en el cascaron Docente
Merge branch 'master' into 64-Generate-Layouts-For-Different-Roles
Add Devise locales in the App
Allowing and denying access to system controllers
Correct abilities
Correct views
Add locales
Running migrations