task/ta-npe-002-  -- send support comms in messaging failure

nparcel/comms.py
* new helper methods _delete_file() and _move_file()
* updated get_comms_files() method to use regexs in filename check
* process() method now returns a list of comms files processed

nparcel/templates/email_html.t
* removed nparcel logo to align with new business rules