cleaning up routes
removing unused helpers and methods
fixing revues#index, adding tooltip for articles list
article always have an argumentaire
minor visual editing
specs for revue#annee_sortie
removing vendored assets
partial revert of f560a9463c4a4d87350e9fcb3dbc0d23d63640fa
categorisation model, fix author/categorie/argument browsing
revue edit/update
removing jquery tokeninput from article
fixing revues specs
label for revue#redacteurs
removing jquery tokeninput and unused assets
adding select2 for authors, css tweaks