- 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