Play::Email class, using Net::Amazon::SES for sending
chef: aws section in /data/config.yml
use Email::Sender::Transport::SMTP::TLS for SES emails instead of Net::Amazon::SES
ses option in /data/config.yml (instead of unused aws option)
test Play::Email->transport
fix Play::Test process_email_queue - use Play::Email transport to obtain email transport
Merge branch 'amazon-ses'

http://questhub.io/realm/meta/quest/511f70ec9adace941b000012
temporarily move back to Sendmail email transport