Use log_ family instead of VERBn log calls

Related to rhbz#1001139

Signed-off-by: Richard Marko <rmarko@redhat.com>
Log to journal instead of syslog

Emitted messages are forwared from journal to syslog
if syslog is available.

Related to rhbz#1001139

Signed-off-by: Richard Marko <rmarko@redhat.com>

mmilata: fixup abrt-hook-ccpp.c
Merge branch 'rhbz1001139'

Conflicts:
	src/configuration-gui/abrt-config-widget.c