Changed unordered lists to definition lists where appropriate in the device mode docs.
Made network timing a sexy description list.
stylus supports sourcemaps
Merge pull request #148 from Garbee/network-dl

Made network timing a sexy description list.
Merge pull request #147 from Garbee/hotfix/device-mode

Changed unordered lists to definition lists where appropriate in DM.
Add advantages to device mode.