make EMAIL_ADMIN_LIST optional
make EMAIL_ADMIN_LIST optional

when EMAIL_ADMIN_LIST is unset, instead of crashing with AttributeError, just log an entry stating notification was skipped
frlen/simian,selfcommit/simian,frlen/simian,googlearchive/simian,selfcommit/simian,sillywilly42/simian,selfcommit/simian,googlearchive/simian,frlen/simian,sillywilly42/simian,googlearchive/simian,alexandregz/simian,googlearchive/simian,frlen/simian,selfcommit/simian,alexandregz/simian,alexandregz/simian,sillywilly42/simian,alexandregz/simian,sillywilly42/simian