Turning off spooling for emails.

We do not have such a heavy load, so no need for a cron job to send emails.
Merge pull request #26 from AmsterdamPHP/mail-config

Turning off spooling for emails.
#22: Fixed typo and added AccessDeniedException if the user is not logged in.
Properly disabling spooling.

This is done by removing the spool option, not by setting it to false.
Merge pull request #28 from AmsterdamPHP/mail-config

Properly disabling spooling.
Merge branch '19-fix' of https://github.com/AmsterdamPHP/job-board
Merge remote-tracking branch 'origin/master'
Added forgotten description var to the event