Fixing up the styleguide guide
Adding robots.txt for AppEngine dev server
Merge branch 'master' of https://github.com/google/WebFundamentals
Adding a closing paragraph to styleguide changes
Commiting merge
How ads work and include ads docs are in decent shape. Still need to clean up customize doc a good bit.
Merge branch 'master' of https://github.com/google/WebFundamentals
Lots of changes to customize ads and more to come
More changes to customize ads doc and spelling corrections in how ads work
First cut of UX principles
New table in how ads look; still need improve sizing for some images, but it's a start.
Merge branch 'master' of https://github.com/google/WebFundamentals
Actioned review comments in how ads work doc.
Cleaned up customize your docs a bit. I still need to flesh out last section and review a bit more. I'm also waiting for information about the smart sizing algorithm to fill in the blank table.
Updates to how ads work
minor spelling and grammatical fixes
Update how-ads-work.markdown

Added a missing full-stop. Small nit.
Implementing first half of Pete's review comments for include ads in your site doc.
Merge branch 'master' of https://github.com/google/WebFundamentals
added links per @greenido's suggestion