Fix Typo, Fix old PIAF immutable files, speed up chown.
Merge branch 'release/2.11' into release/12.0
Bump version
Enable update checking on first install so that users always get security notices and updates, if they have not email address then it will not email, but it will still notify on the dashboard.
Merge branch 'release/2.11' into release/12.0

* release/2.11:
  Enable update checking on first install so that users always get security notices and updates, if they have not email address then it will not email, but it will still notify on the dashboard.
  Bump version

Conflicts:
	install_amp
Merge branch 'release/12.0' into develop

* release/12.0:
  Enable update checking on first install so that users always get security notices and updates, if they have not email address then it will not email, but it will still notify on the dashboard.
  Bump version
  Fix Typo, Fix old PIAF immutable files, speed up chown.