Show the scroll back to top for tablets.

- Add new media query to hide scroll element on > 1024px.
Fixes desktop navigation showing during intro.

Adds a container class to the desktop navigation so that it is hidden during the animation. Had to add some CSS to make sure it stays hidden on mobile.

Also allows you to override the cookie and force the animation to play if you go the #animation.
Load gift registry logos locally.

- Ignore the logos in Source Control.
- Update layout to pull from local machine.
Fix Scroll to Top on mobile and use local logos.

This is a --no-ff merge of the development branch.
Merge remote branch 'development' changes.
Merge fixes by Chandler into master branch.

- Merge from development.