add a contact email for runs
add a method to set the run contact email
send email summary if contact_email is filled out
update the emailer
add a template for email contact
handle submission of contact email
send contact information along with stats
update API to allow for contact email submission
fix a label reference
Merge remote-tracking branch 'upstream/master'

Conflicts:
	lib/php/UNL/WDN/Emailer/Main.php