v5.0.0

• The underlying base config was updated from v12 to v14.
  Full changelog at https://github.com/standard/standard/blob/v14.3.1/CHANGELOG.md
• Requires ESLint 6
• eslint-plugin-import, eslint-plugin-node, eslint-plugin-promise, eslint-plugin-standard are now peerDependencies, to better conform to the plugin loading mechanism of eslint