FOGL-2947: kerberos doc update
FOGL-2947: kerberos doc update

Signed-off-by: Your Name <80980fcaf2ab3f243874695f57b2ed065d8e67e4@dianomic.com>

foglamp/FogLAMP,foglamp/FogLAMP,foglamp/FogLAMP,foglamp/FogLAMP