do some test the dirc.keys() as a list which store the str elements,and
sort them .add the e-mail func to the checklackinglog.py file intents to
send a msg to inform the user what log files is leak,but the module of
sending e-mail doesn't work now,it's very weird.
modify output of checklackinglog.py file as a file named
lackinglogs.txt.drop the plan temporary which send the running result by
e-mail due to the difficulty in using python send e-mail via microsoft
exchange server or smtp server by ericsson network.
change original thought which send lacking log files list by e-mail to
record by a file.