Date picker: Prevented closing of datepicker from closing a parent lightbox
Merge pull request #6170 from pjackson28/fixdatepickerclose

Date picker: Prevented closing of datepicker from closing a parent lightbox
Fix frequent and intermintent build errors during npm install
See https://github.com/npm/npm/issues/6238 for more info
Merge pull request #6177 from LaurentGoderre/fix-npm-install

Fix frequent and intermintent build errors during npm install
Converted the post build scripts to grunt/node
Fixes #6135
Merge pull request #6146 from LaurentGoderre/convert-post-build

Converted the post build scripts to grunt/node
Footnotes: Adjusted SCSS to accommodate lists/tables within footnotes.
Fixes #6157.
Details/summary polyfill: Set closed details visibility to hidden to make text nodes invisible (although still take up space)
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.
Calendar of events: wb-updated event now triggered on wb-calevt element.
Merge pull request #6183 from pjackson28/fixcalevtupdated

Calendar of events: wb-updated event now triggered on wb-calevt element.
Merge pull request #6172 from pjackson28/fixnesteddetails

Details/summary polyfill: Set closed details visibility to hidden to make text nodes invisible (although still take up space)
Fixed links to commit in v4.0.7 english release notes
Merge pull request #6194 from LaurentGoderre/fix-links

Fixed links to commit in v4.0.7 english release notes