Fixed typo to `Orchestra\Extension::isActive()`.

Signed-off-by: crynobone <crynobone@gmail.com>
Add safe mode notification when running from safe mode

Signed-off-by: crynobone <crynobone@gmail.com>
Improvement to 5e77d2e commit and incude some docblock.

Signed-off-by: crynobone <crynobone@gmail.com>