angular/material — pull request #644 by Saturn2888 (2014-11-14 00:14:20+00:00)
Title: Update _sidenav.scss

Using position: fixed fixes a few issues I was having with it:
- Changed it so it doesn't have to keep scrolling you to the top of the page and then requiring you to scroll back down.
- Makes it so the height of the sidebar height not shorter than the view.