Move meta tags for document rendering (#4099)
Move meta tags for document rendering (#4099)

* Move meta tags for document rendering

Move meta tags used for document rendering in the head element to ensure
consistent document rendering.

* Fix comment explaining meta tag placement

Fix the comment explaining meta tag placement in the application layout
from a Ruby comment to an ERB comment
EBWiki/EBWiki,BOWiki/BOW,EBWiki/EBWiki,EBWiki/EBWiki,EBWiki/EBWiki,BOWiki/BOW,BOWiki/BOW