Adding font awesome icons to use in view layers
Applying new classes to estilo.css to make the side bar
Starting to construct the side bar of any types of user, to show restricted their pages
Ajusting routes and the css of side bar
Preparando página restrita da secretaria
Issue #2 - Adding secretary data to user sessions
Issue #2 - Updating user model to search for an user in the table 'user_is_secretary'
Issue #2 - Updating header and index_secretary views to show to a secretary user, his registered secretaries
Issue #2 - Ajusting database to new style of saving secretaries and updating usuarios_model to get in this new table
Merge branch 'Course' into secretaria

Conflicts:
	application/views/header.php
Issue #2 - Updating module and usuarios controllers to get instances of groups and users used in course update form
Issue #2 - Updating module and users models to get in database values required in course update form
Issue #2 - Updating course update form to have new labels referencing new secretaries of courses
Issue #2 - System already saving courses secretary
Adding the page to register a doctorate course
Issue #2 - Adding update funcionality for course secretaries
Merge branch 'secretaria' of https://github.com/Sistema-Integrado-Gestao-Academica/SiGA into course

Conflicts:
	application/config/routes.php