Fixes #5808 - Allowed rails to read symlinks

(cherry picked from commit fcc3110b4a1d7eb70f17cd6d61bcbc329c0ebb70)
Fixes #5910 - Puppetmaster allowed to set file contexts

(cherry picked from commit a39d8de2e0ab1f042acb21e446773d7d8496d25e)
Fixes #5870 - Foreman-tasks selinux policy added

(cherry picked from commit 9554703f49b74891f36146bd430069d0e3c12bbe)
Release 1.5.1