Configuraciones de seguridad y mejoras
Merge branch 'master' of https://github.com/steevinhdez/blogsteevin

Conflicts:
	app/views/devise/registrations/edit.html.erb
	app/views/devise/registrations/new.html.erb
	app/views/posts/index.html.erb
	app/views/posts/show.html.erb
	app/views/profiles/show.html.erb