add_log_file:add log file of dde-* programe in /tmp/dde-*.log

1.add log file of dde-guide dde-zone dde-lowpower dde-osd
2.rename desktop.log to dde-desktop.log ; rename launcher.log to
dde-launcher.log ; rename dock.log to dde-dock.log

Change-Id: Ic631f9476ce70aaef025bb72b2e6156edc52140c