Bug 974124 - Part 1: Padding.
Bug 974124 - Part 2: Policy text margins.
Bug 974124 - Part 3: Update color scheme.
Bug 974129 - Part 1: Update fxaccount_intro drawable.

This is only displayed by the Getting Started activity.

These .png files have been crushed with pngquant, using invocations like:

pngquant --force --quality 95-100 --verbose 256 HDPI.png -o HDPI2.png
Bug 974129 - Part 2: Use branding icon instead of fxaccount_icon.
Bug 974124 - Update padding, margins, and color scheme in FxA setup. r=rnewman
Bug 974129 - Part 1: Update fxaccount_intro drawable. r=rnewman
Bug 974129 - Part 2: use branding icon instead of fxaccount_icon. r=rnewman