Strong check for cobbler container (profiles)

Instead of just check cobbler process now
we will also check availability of system
profiles. Without profiles no nodes can
process provisioning stage.

This is possible fix for #1328873.

Change-Id: If93c21f0f771fce282cd3211903585d3ca2d1d14
Related-Bug: #1328873
(cherry picked from commit cd0283ececcb69b2b1e9dbde51bb09d71cf7b7c8)
Merge "Strong check for cobbler container (profiles)" into stable/5.0