check token
test authentication
add application authentification
add comments
code cleaning : remove console.log
add requireToken for all requests
code cleaning: remove a comment
code cleaning: no line more than 80 characters and remove only condition in requireToken
code cleaning: remove empty lines
change token transmission between controller and DS
add update tokens when application is updated
Merge branch 'feature/applicationAuthentification' of git://github.com/poupotte/cozy-data-system
use env variable to give tokens instead of reading a file