Update release docs and add circleci badge to readme

Author: deleonn

README.md

@@ -1,7 +1,7 @@
 # particle-api-js
 JS Library for the Particle Cloud API for Node.js and the browser
 
-[![Build Status](https://travis-ci.org/particle-iot/particle-api-js.svg?branch=master)](https://travis-ci.org/particle-iot/particle-api-js)
+[![Build Status](https://circleci.com/gh/particle-iot/particle-api-js.svg?style=shield&circle-token=e41d6332462903a16e5e172ae045909281c60736)](https://app.circleci.com/pipelines/github/particle-iot/particle-api-js)
 
 ## Installation
 

RELEASE.md

@@ -1,14 +1,12 @@
 # Releasing a new version
 
-- `npm version <major | minor | patch>`
-
-This builds the distribution file `particle.js.min` and generates the
-API documentation. Before the command finishes, update `CHANGELOG.md`.
-
-- `git push && git push --tags`
-
-- Travis will run `npm publish` if the build passes.
-
-- Create a release on GitHub with the notes from the `CHANGELOG.md`
+1. Merge your changes to master and be on `master`
+2. Run `npm version <major|minor|patch>`
+   1. This builds the distribution file `particle.js.min` and generates the
+  API documentation. Before the command finishes, update `CHANGELOG.md`.
+3. Push to origin `git push --follow-tags`
+4. CircleCI will publish the npm package to the `latest` tag
+5. Create a release on GitHub with the notes from the `CHANGELOG.md`
+6. Point your project to the new version `npm install particle-api-js@latest`
 
 - After updating major version, update the installation instructions in the [docs](https://github.com/particle-iot/docs/blob/master/src/content/reference/SDKs/javascript.md)