Adjust rotation size threshold and maximum number of rotations to keep in cfengine_internal_rotate_logs

Rotate CFEngine log files" 
handle => "cfe_internal_log_rotation_rotate_log_files", 
usebundle => logrotate( @(def.cfe_log_files), 1M, 10 ), 
comment => "To keep the disk from getting to full we want to rotate 
log files when they reach 1MB in size. So that we have 
some history , we keep 10 versions.";