Update README.md

  New publishing & build instructions

README.md

@@ -580,10 +580,14 @@ In plain JS you do not need to require the libraries you just need to register s
 
 ## Publishing instructions
 
-This project is set up to automatically be published to npm.  To publish:
-
-1. Set the version number environment variable: `export VERSION=1.2.3`
-2. Publish: `gulp publish`
+This project is set up to automatically be published to npm and bower.  To publish:
+
+1. Build : `npm run build`
+1. Commit the build : `git commit -am "Build for release"`
+1. Bump the version number and tag: `npm version major|minor|patch`
+1. Push to origin: `git push && git push --tags`
+1. Publish to npm: `npm publish .`
+1. If publishing to bower for the first time, you'll need to run `bower register sbgnviz https://github.com/iVis-at-Bilkent/sbgnviz.js.git`
 
 ## Credits