rewrite using fsevents breaks linux install

[clux]

$ npm i hot-reload -S
npm WARN optional dep failed, continuing fsevents@0.2.1
npm ERR! Linux 3.13.0-24-generic
npm ERR! argv "node" "/home/clux/npm/bin/npm" "i" "hot-reload" "-S"
npm ERR! node v0.10.33
npm ERR! npm  v2.1.5
npm ERR! code EBADPLATFORM

npm ERR! notsup Unsupported
npm ERR! notsup Not compatible with your operating system or architecture: fsevents@0.3.5
npm ERR! notsup Valid OS:    darwin
npm ERR! notsup Valid Arch:  any
npm ERR! notsup Actual OS:   linux
npm ERR! notsup Actual Arch: x64

npm ERR! Please include the following file with any support request:
npm ERR!     /home/clux/repos/gu/npm-debug.log

Was trying to upgrade from 1.4.X-beta series - but guess not. Anyway just marking it down here for confused people.