Hide a 2.0 API that was left public.
Added description and download info for MockWebServer.
Merge pull request #325 from square/jw/hide-missed-2.0-api

Hide a 2.0 API that was left public.
Merge pull request #327 from everett-toews/patch-1

Added description and download info for MockWebServer.
make it a proper Android library
Merge branch 'master' of https://github.com/levelup/okhttp