Add exhibits model
Merge model exhibits
Resolve confilcts
Resolve routes conflict
Link exhibits with museums
Resolve confilct
Add elements for exhibits and museums
Change the controller and form for exhibits
Update museum adn exhibit functions
Add destroy and edit at exhibits
Repair form for exhibits
Merge develop with museums
change dashboars
change dashboars
Merge branch 'develop' of github.com:hermanos/audioguide into develop
Add Scan Model
Merge with develop