Bug 839541 - Facelift the mobile reviewer queue page

Initial PR.

Queue page: http://imgur.com/xhBoOzx.jpg 
Switch queue menu: http://imgur.com/v6LBxue.jpg

Notes:

I overlap some of the device icons to save space. Need design input on whether this is too clustered together ot not.

I import a Gaia building block for an action menu overlay.

We still need to have an icon to differentiate between paid apps and in-app paid apps in the flags column.