- added the gem Clearance for the authentication;
- created migration to create users table and generated the respective model;
- added a section to the application layout, for the session info and links;
- created the welcome controller and index view for the controller;
- added "welcome#index" to root path;
- added middlware for Clearance Backdoor;
- created test for sign_in;
- changed user's email of test;
- Fixed warnings made bu Hound;
- Fixed Indentation warning from Hound;
- Fixed indentation in WelcomeController;
- put the yield of the application layout in the right place;
Merge pull request #1 from cs-webdev/clearance_installation

Clearance installation
- installed cancancan gem to control access to pages;
- modified behaviour of cancan exception in applicationcontroller;
- added abilities to user manage all, and guest to cannot manage;
- added flash notices to application layout;
- tests for the access of the account page;
- routes to the account page;
Fixed formatting errors reported by hound.
Fixed formatting errors reported by hound.
- check_authorization in application controller;
All tests passing with check_authorization
Fixed small issues reported by zamith
Adição do script de criação das tabelas referentes aos notebooks. Adição da listagem e criação de notebooks.
Added methods for searching and creating Notebooks.
Notebooks CRUD completed.
Fixed formatting errors reported by hound.
Removidos conflitos no routes.rb
Fixed small issues reported by zamith