ajout fonction nsfw (option a cocher dans profil + tag "NSFW")
Activation du mode NSFW pour le slider
Merge remote-tracking branch 'origin/nsfw'

Conflicts:
	src/Mongobox/Bundle/JukeboxBundle/Resources/public/css/tumblr.css
	src/Mongobox/Bundle/TumblrBundle/Entity/Tumblr.php
	src/Mongobox/Bundle/TumblrBundle/Resources/views/Tumblr/index.html.twig
Merge pull request #53 from aureliengiry/nsfw