NEW: Add some validation to the job records because of weird data coming from YANDEX.ru
(cherry picked from commit 47667f2d8f45af34aaffeee04c67d55d29cfb5f0)
Merge pull request #1164 from acasajus/fix-r6

NEW: Add validation to Job Accounting records (add to r6 as a patch for LHCb to include it)