security/vuxml: add node.js vulnerabilities announced 2017-07-11

[bhughes]

Summary

security/vuxml: add node.js vulnerabilities announced 2017-07-11

The vulnerability in the bundled c-ares dependency is not included,
since the Node.js ports use dns/c-ares as a dependency instead.

Approved by: robak (mentor)
MFH: 2017Q3
Security: http://www.vuxml.org/freebsd/3eff66c5-66c9-11e7-aa1d-3d2e663cef42.html

Test Plan

$ make validate
/bin/sh /usr/ports/security/vuxml/files/tidy.sh "/usr/ports/security/vuxml/files/tidy.xsl" "/usr/ports/security/vuxml/vuln.xml" > "/usr/ports/security/vuxml/vuln.xml.tidy"

Validating...

/usr/local/bin/xmllint --valid --noout /usr/ports/security/vuxml/vuln.xml

Successful.

Checking if tidy differs...
... seems okay
Checking for space/tab...
... seems okay
/usr/local/bin/python2.7 /usr/ports/security/vuxml/files/extra-validation.py /usr/ports/security/vuxml/vuln.xml