Initial release

Summary:
Parse in a machine-readable format the Openfire changelog located at
http://download.igniterealtime.org/openfire/docs/latest/changelog.html

Test Plan:
Browse /, /dev/openfire/changelog

Install with node on another platform

arc lint --everything

Reviewers: dereckson

Reviewed By: dereckson

Differential Revision: https://devcentral.nasqueron.org/D2186