updating symfony bundles to stable ones
updating twitter bootstrap bundle to stable one
updating symfony custom bundles to official ones
updating composer.lock file
updating the route of facebook meta tag logo
updating the bootstrap docs.css file route
updating twigs after bootstrap upgrade
updating custom twigs included in the base twig
removing deprecated files
updating gallery styles
adding useful styles in the main.css file
updating the container for login form
updating the indexation into files
updating the website development period
adding custom logo for facebook og meta tags