Merge pull request #468 from sgomes/material-sprint

Refactoring animations into separate SCSS file, and adding a demo
Removing old sidenav code.
Merge pull request #481 from sgomes/material-sprint-remove-sidenav

Removing old sidenav code.
Fixing FAB ripples, and fixing ripples overall in Firefox/IE.

Removing ugly selection box around buttons in Firefox

Making it work in Safari. Egads.
Misc UI fixes
Merge pull request #479 from sgomes/material-sprint-fab-refactor

Fixing FAB ripples, and fixing ripples overall in Firefox/IE.
Merge pull request #482 from sgomes/material-sprint-UI-fixes

Misc UI fixes