refacto all bundle to use just one, and create main interface
start security bundle
Update README.md
Update README.md
Update README.md
add encoding password in datafixtures
add return password to getPassword function
Merge pull request #1 from ProjetMIAGE/feat.securityBundle

Feat.security bundle
downgrade for php 5.3
fix log-in for teacher and student, add log-out button
create form to add new salle and computer
complete part A and B
create entities for questionnaire management
Merge pull request #2 from ProjetMIAGE/entities.questionnaire

Entities.questionnaire
Merge branch 'develop' into Arnaud
start epreuves management system
add gitattribute to resolve the problem of crlf file
update security bundle and start epreuve manager
Merge branch 'Arnaud' into develop