Change category of messages in worker routine to devel
Change category of messages in worker routine to devel

These messages are not important from OVAL content point of view.
We should put them to devel level to improve readability of log.

OpenSCAP/openscap,OpenSCAP/openscap,mpreisler/openscap,openprivacy/openscap,mpreisler/openscap,openprivacy/openscap,OpenSCAP/openscap,ybznek/openscap,redhatrises/openscap,redhatrises/openscap,mpreisler/openscap,redhatrises/openscap,redhatrises/openscap,ybznek/openscap,Hexadorsimal/openscap,OpenSCAP/openscap,ybznek/openscap,Hexadorsimal/openscap,jan-cerny/openscap,mpreisler/openscap,openprivacy/openscap,mpreisler/openscap,Hexadorsimal/openscap,ybznek/openscap,jan-cerny/openscap,OpenSCAP/openscap,jan-cerny/openscap,Hexadorsimal/openscap,redhatrises/openscap,redhatrises/openscap,openprivacy/openscap,Hexadorsimal/openscap,mpreisler/openscap,jan-cerny/openscap,openprivacy/openscap,OpenSCAP/openscap,jan-cerny/openscap,Hexadorsimal/openscap,openprivacy/openscap,ybznek/openscap,ybznek/openscap,jan-cerny/openscap