Add info messages to xccdf_policy.c
Add info messages to xccdf_policy.c

This commit gives user basic understanding of XCCDF evaluation process.

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