* fix: package.json to reduce vulnerabilities (Ryan Graham)
 * Revert loopback 2.x (siddhipai)
 * Revert dev-dependency on loopback to 2.x (Siddhi Pai)
 * Set publish tag to "lts" (Siddhi Pai)
 * Coerce form to formData in accepts.http.source (Simon Ho)
 * Fix date output format to "date-time" (Stefan B)