restart server and trigger LR on server file change
debounce server restart at 100ms when watching server files
use master of broccoli-sane-watcher to enable watchman support
force watchman on for now (until it is auto-detected by
broccoli-sane-watcher or sane)
allow GH deps
force watchman
auto-detection
Merge pull request #2265 from csantero/restart-server

Restart express server and trigger Livereload when a file under /server changes.
add additional case for users (like me) who have watchman installed
Use older node version for appveyor

Looks like a race condition might be biting us:
http://help.appveyor.com/discussions/problems/865-error-running-npm-install
Merge pull request #2566 from raytiley/appveyor-node-version

Use older node version for appveyor