v1.10-alpha: Modify boilerplate to exclude copyright

Updated boilerplate to omit copyright along with dfn-panel.

v1.9-alpha

Full Changelog: v1.8-alpha...v1.9-alpha

v1.8-alpha

Full Changelog: v1.7-alpha...v1.8-alpha

v1.7-alpha

Full Changelog: v1.6-alpha...v1.7-alpha

v1.6-alpha

Full Changelog: v1.5-alpha...v1.6-alpha

v1.5-alpha

Full Changelog: v1.4-alpha...v1.5-alpha

v1.4-alpha

Full Changelog: v1.3-alpha...v1.4-alpha

1.0

Full Changelog: https://github.com/cqueern/slim-spec/commits/1.0

v1.3-alpha

Full Changelog: v1.2-alpha...v1.3-alpha

v1.2-alpha

Full Changelog: v1.1-alpha...v1.2-alpha