Revert "Revert "updated""

This reverts commit cd03dc5804880a319f5c61408934f852ae41f85c.
update
Merge remote-tracking branch 'origin/gh-pages' into gh-pages

Conflicts:
	presentation/Thumbs.db
	presentation/index-figure/Thumbs.db
	presentation/index.Rpres
	presentation/index.md