Replace hardcoded values inside "footer", "help" and "users" with properties from siteConfig. Fixes #488
* Add Prettier formatting to source files and example files, and check that Prettier formatting is maintained on PRs * Remove trailing-comma as we are using Node 6 on Circle * Use latest Node 6 LTS version in Circle * Remove unused test
- headers in .js files - update README and LICENSE year Testing: grep BSD, Patents, patents turned up nothing