Add jobnum to output filename and email subject line

[jwkai]

Every output file has the same filename (unique_sequence_data.xlsx), making it easy to misplace files. Moreover, the output files are delivered via email, and emails all contain identical text, so a user cannot easily search their inbox for a specific output file.

The solution is to add a jobnum field to the HTML page, and including this in the output filename and email subject line. A timestamp in the filename could also help.

Filename is defined here:

unique-sequence/unique_sequence.py

Line 138 in fb77af9

XLSX_FILENAME = "unique_sequence_data"

Email text is generated here:

unique-sequence/unique_sequence.py

Lines 189 to 191 in fb77af9

	if mailer.send_sfu_email("unique_sequence_finder", email_address_string, "Unique Sequence Finder Results", msg_body, [xlsx_file]) == 0:
	website.send(( "An email has been sent to <b>{}</b> with a full table of results."
	"<br>Make sure <b>{}</b> is spelled correctly." ).format(email_address_string, email_address_string))