celpprunner failed due to send email exception

[coleslaw481]

celpprunner just failed cause blastnfilter task exited cause the end email sent was too large for the smtp server and it raised a SMTPDataError as seen in the log below.

2016-10-22 06:36:59,772 ERROR d3r.celpprunner Error caught exception
Traceback (most recent call last):
File "/usr/bin/celpprunner.py", line 167, in run_tasks
task.run()
File "/usr/lib/python2.6/site-packages/d3r/celpp/blastnfilter.py", line 382, i
n run
self.end()
File "/usr/lib/python2.6/site-packages/d3r/celpp/task.py", line 447, in end
self._send_end_email()
File "/usr/lib/python2.6/site-packages/d3r/celpp/task.py", line 316, in send
end_email
self._send_email(msg)
File "/usr/lib/python2.6/site-packages/d3r/celpp/task.py", line 341, in _send_email
email_list, mime_msg.as_string())
File "/usr/lib64/python2.6/smtplib.py", line 720, in sendmail
raise SMTPDataError(code, resp)
SMTPDataError: (552, '5.3.4 Error: message file too big')

[coleslaw481]

Fixed. bedc39f..21d3470 master -> master

Modified task.py to catch any exceptions from _send_end_email() method in task.py and also modified task.py to truncate standard error and standard output from external command invocations.