email worker with build instructions

config.yaml

+couchdb:
+    port: '5984'
+    host: 0.0.0.0
+    username: root
+    password: root
+curl:
+    check_mail: http://root:root@0.0.0.0:5984/outbox/_all_docs/?limit=1 #http://root:root@0.0.0.0:5984/outbox/_all_docs/?limit=1
+    get_outbox_mail: http://root:root@0.0.0.0:5984/outbox/
+    delete_outbox_mail: http://root:root@0.0.0.0:5984/outbox/
+    add_sent_mail: http://root:root@0.0.0.0:5984/sentitems/
+    add_mail_log: http://root:root@0.0.0.0:5984/mail_logs/
+protocols:
+    method: http://
+requests:
+    get: GET
+    post: POST
+    put: PUT
+    delete: DELETE
+    header_type: Content-Type
+    header_json: application/json
+mailgun:
+    domain: sandbox69b93297d9f045b5ae2383ee3b5d234c.mailgun.org
+    apikey: 0b6326227e0797740c93e5cfffc901c1-49a2671e-e9e05eca
+error_report:
+    error_sender: qa@parkwaylabs.com
+    error_head: Email Worker Crashed
+    error_recipients: pasan@parkwaylabs.com
+app_mode:
+    production: "0" # 1, 0