Fix typo Factor/Facter

Also make the condition on Facter version a bit more specific.
Added custom login wrapper which shows host IP and console URI before showing login screen.
Bug fixes with delayed SELinux and Mongo setup.
Merge pull request #21 from iNecas/facter-typo

Fix typo Factor/Facter
Merge pull request #22 from kraman/custom_shell

Added custom login wrapper which shows host IP and console URI before showing login screen.
SELinux boolean set bug fix