Add website skeleton.
Merge pull request #1 from io2013/jw/website-skeleton

Add website skeleton.
Link to color pallete.
Update website to the latest design.
Merge remote-tracking branch 'origin/master'
Merge branch 'master' of https://github.com/square/okhttp
Overview for the OkHttp website.
Merge pull request #2 from io2013/jwilson/overview_examples

Overview for the OkHttp website.
Merge branch 'master' of https://github.com/square/okhttp
Merge branch 'master' of https://git.squareup.com/io2013/okhttp
Checkstyle fixes.
OCD
Merge branch 'master' of https://github.com/square/okhttp
Add change log.