AceEditor: integration to Symfony2
Security: Teacher role addition
AceEditorBundle: configuration in config.yml
BootstrapBundle, jQuery and aceEditor importation in composer.json
TangaraAdministrationBundle: routing.yml configuration
Tangara/AdministrationBundle: Twig renderview for roles (student, studentchief, teacher, admin)
Tangara favicon.ico integration
Tangara/AdministrationBundle: renderView with Twig, creation of the controller, routing.yml configuration