add mailer config
add mail configuration
mailer
simplify mailgun
reconfig mailgun settings again
update from email to use env variable
fix typo
remove potentially unnecessary setting for mailing
switch from tls to plaintext auth
mailer works with new auth setting
reintroduce tls encryption
tls try 2
tls revision
Merge branch 'master' of http://github.com/epicodus/chicktech into mailer
changes default from address
removes comment
adds mailing function for adding volunteer