merge style update from Olivier

lib/AccountManager/L10N/fr.pm

resources/Makefile.am

resources/css/style.css

resources/foundation/css/foundation.css

resources/foundation/css/foundation.min.css

resources/foundation/js/vendor/foundation.js

resources/foundation/js/vendor/foundation.min.js

resources/images/edugain_logo1.png

resources/images/footer_logo_padded.jpg

resources/images/geant_logo1.png

resources/images/home_logo.png

resources/images/menu-icon.gif

templates/web/complete_challenge.tt2.html

templates/web/create_accounts.tt2.html

templates/web/index.tt2.html

templates/web/select_email.tt2.html