Merge pull request #117 from Alauraa/patch-1

Updated Readme with npmPostinstall.js.

README.md

@@ -78,6 +78,7 @@ Master and all slaves:
     curl -o factorio.tar.gz -L https://www.factorio.com/get-download/latest/headless/linux64
     tar -xf factorio.tar.gz
     npm install
+    node ./lib/npmPostinstall.js
 
 downloads and installs nodejs, pm2, git and clusterio. To specify a version, change "latest" in the link to a version number like 0.14.21.