Updates gitignore.
Moves sponsors images to its folder.
Adds twitter bootstrap.
Changes 'About' pages to be responsive. Also adapts global navigation.
Adds a responsive version of videos mosaic.
Adds responsive index and updates existent pages to be reusable in it.
Removes spinjs gem.
Detects mobile and tablets to render responsive index.
Fine adjustments for tablets.
Adds VIVO logo.
Adjusts Subscription and Concept title.
Adds ALFRED sponsor logo.