Release steps

(These are just notes right now - talk to @shakeelmohamed if you are doing a release)

0. Make sure all tests pass with 100% code coverage, add {"token": "your-event-collector-token"} to test/config.json until tests are automated.
1. Update version numbers - readme, changelog, package.json, splunklogger.js, and all tests checking for it.
2. Update the readme
3. Update examples
4. Update the changelog
5. Follow remaining tests of the JavaScript SDK