updated suport link
updated suport link

Summary: Closes https://github.com/facebook/watchman/pull/456

Differential Revision: D4982229

Pulled By: wez

fbshipit-source-id: 180e20faa1fe281948417327bd7fd4c4424717e7

wez/watchman,facebook/watchman,nodakai/watchman,kwlzn/watchman,facebook/watchman,facebook/watchman,nodakai/watchman,facebook/watchman,nodakai/watchman,wez/watchman,nodakai/watchman,nodakai/watchman,wez/watchman,facebook/watchman,facebook/watchman,kwlzn/watchman,nodakai/watchman,wez/watchman,facebook/watchman,kwlzn/watchman,kwlzn/watchman,nodakai/watchman,kwlzn/watchman,wez/watchman,kwlzn/watchman,wez/watchman,facebook/watchman,facebook/watchman,wez/watchman,wez/watchman,nodakai/watchman,kwlzn/watchman,wez/watchman,nodakai/watchman