openSUSE/osem — pull request #40 by gopesht (2014-03-08 21:10:48+00:00)
Title: Check for call_for_papers object.

When call_for_papers object is nil then the previous check throws an error for check at line no 16.
So I modified the check to see that first the call_for papers object exsist for current conference object an the rest follow.