UTIL: Allow to append new line in sss_vdebug_fn libldb is not consistent with appending line feed in debug messages. AS a result of this two messages can be on the same line in sssd log files. Which makes analyzing log files more difficult. Reviewed-by: Pavel Březina <pbrezina@redhat.com>

UTIL: Move debug part from util.h -> new debug.h Reviewed-by: Pavel Březina <pbrezina@redhat.com> Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>