#4385: Change access denied message when site is private.
Merge branch 'SCHOLAR-3.x' into 4385-private_site_denied
#4385: Change message. Make it work on front page of private site.
Merge branch 'SCHOLAR-3.x' into 4385-private_site_denied
Merge pull request #4518 from openscholar/4385-private_site_denied

Private Site Access Denied