The fixed-width means that lots of screen space is wasted as blank
space on larger monitors. Using .container-fluid means that the
page content uses all of the available space, rather than being
limited to a maximum of 1080px.
Also, override bootstrap's defauls .container-fluid to add a small
left/right margin (5% each side).
Change-Id: I7bce6c7ba0ce315e601476fa9cd9f7f4a1ed787b