This is a security release containing fixes to upgrade OpenSSl. Notable changes from 7.4.0 include:
- crypto: Ability to select cert store at runtime
- crypto: Use system CAs instead of using bundled ones
- deps: upgrade npm to 4.1.2
- deps: upgrade openssl sources to 1.0.2k, CVE-2017-3731, CVE-2016-7055, CVE-2017-3732
- doc: add basic documentation for WHATWG URL API
- process: add NODE_NO_WARNINGS environment variable
- url: allow use of URL with http.request and https.request