Fix issue on alt and titles
 Changes to be committed:
   (use "git reset HEAD <file>..." to unstage)

	modified:   app/assets/stylesheets/effects.css.erb
	modified:   app/helpers/application_helper.rb
	modified:   app/views/books/index.html.erb
	modified:   app/views/books/show.html.erb
	modified:   app/views/comments/show.html.erb
	modified:   app/views/home/index.html.erb
	modified:   app/views/layouts/application.html.erb
	modified:   app/views/layouts/pages.html.erb
	modified:   app/views/layouts/simple.html.erb
	modified:   app/views/shared/_header.html.erb
	modified:   config/sitemap.rb