Add mail option in configuration file.
* The variable "mailing" is changed to "mail"
* Add "mailserver" to config file
* Add "mailto" to config file
Add mail option in configuration file.
* The variable "mailing" is changed to "mail"
* Add "mailserver" to config file
* Add "mailto" to config file
Merge branch 'mail' of github.com:sitle/ezmomi into mail
Merge branch 'mail' of github.com:sitle/ezmomi into sitle-mail
#21 making @sitle's mail options as optional
Merge branch 'sitle-mail' into develop