fix: gedbrowserng-frontend/package.json to reduce vulnerabilities
fix: gedbrowserng-frontend/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/npm:braces:20180219
- https://snyk.io/vuln/npm:cryptiles:20180710
- https://snyk.io/vuln/npm:deep-extend:20180409
- https://snyk.io/vuln/npm:extend:20180424
- https://snyk.io/vuln/npm:hoek:20180212
- https://snyk.io/vuln/npm:stringstream:20180511
- https://snyk.io/vuln/npm:tunnel-agent:20170305
- https://snyk.io/vuln/npm:url-parse:20180731
- https://snyk.io/vuln/npm:ws:20171108

dickschoeller/gedbrowser,dickschoeller/gedbrowser,dickschoeller/gedbrowser,dickschoeller/gedbrowser,dickschoeller/gedbrowser,dickschoeller/gedbrowser