Footnotes: Adjusted SCSS to accommodate lists/tables within footnotes.
Fixes #6157.
Added v4.0.7 release notes
Updated files for the v4.0.7 maintenance release
Updated the build version to v4.0.8-development
Merge pull request #6179 from EricDunsworth/v4.0-footnotes-scss-lists-tables

Footnotes: Adjusted SCSS to accommodate lists/tables within footnotes.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	site/pages/docs/versions/dwnld-en.hbs