Fix security vulnerabilities (#28)

Bump handlebars from 4.2.0 to 4.5.3 (#27)

Fix many GitHub Security Advisory Warnings (#26)

0.5.1

Update changelog

Update netlify-cms

Update webpack mode

Fix build errors

Update to node 10

Add build status

0.5.0

Update README & Changelog

Update deps

Fix date format

Fix rel="noopener noreferrer"