(#614) - moved chromeappbackground

don't forget that you need to mess around with the manifest, depending on how you're handling eval
(you can also actually use the sandbox feature of chrome apps)
(#614) - Follow up to fix linting
(#787) Move uuid.js require under modules block

I added the import at the wrong place, for #569

Signed-off-by: Rohan Jain <crodjer@gmail.com>