modif tag, vue et autres
ajout de quelques stats dans Article
Merge branch 'master' of github.com:david-dogneton/pfe-semantic-news

Conflicts:
	app/controllers/Application.scala
	app/models/Article.scala
	app/views/entite.scala.html
	app/views/index.scala.html
	app/views/visualisationarticle.scala.html