* Update LTS status in README (Miroslav Bajtoš)
 * chore: update copyright year (Diana Lau)
 * chore: improve issue and PR templates (Nora)
 * update loopback-connector-mongodb (Diana Lau)
 * update eslint-config-loopback and fix violations (Nora)
 * drop support for node.js 6 (Nora)
 * update eslint dependency (Nora)