Chromium Release Milestone API

GET

 * "/c?r=<revisionNumber>" -> "<release>"
 * "/c?s=<sha>" -> "<release>"
 * "/u?s=<sha>"-> "crrev.org/[cr]/<revisionNumber>"

POST

 * /c -d "<revisionNumber1>,<revisionNumberN>" -> "<release1>,<releaseN>"
 * /s -d "<sha1>,<shaN>" -> "<release1>,<releaseN>"