Fixed wrong usage of site.name memory key.

Signed-off-by: crynobone <crynobone@gmail.com>
Make Orchestra\Support\Messages::add() chainable.

Signed-off-by: crynobone <crynobone@gmail.com>
Add @placeholder for layout.

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch 'staging' into develop