chore: update dependencies with CVE

chore: update dependencies with CVE

See:
* https://github.com/zurb/supercollider/pull/16
* https://github.com/zurb/panini/pull/158
* https://github.com/zurb/foundation-docs/pull/27

Update packages:
* `handlebars`: `2.0.0`-> `4.0.1` (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8861)
* `uglify-js`: `2.3.6` -> `2.8.29` (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8857, https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8858)
* `marked`: `0.3.6` -> `0.3.14` (https://nvd.nist.gov/vuln/detail/CVE-2017-1000427)