Update dependencies & fix security issues

• Update to latest eslint leankit config
• Respond to pr review items
• Fix eslint errors in specs
• Remove unused npm script
• Update lodash, machina, moment, debug, & mocha
• Switch to node 12.18, npm scripts, nyc, eslint, and remove when

Update Dependencies

• Update to latest eslint leankit config
• Respond to pr review items
• Fix eslint errors in specs
• Remove unused npm script
• Update lodash, machina, moment, debug, & mocha
• Switch to node 12.18, npm scripts, nyc, eslint, and remove when