Syslog-ng is not reloading on initial deployment.

Hoping this fixes it.
Merge pull request #203 from willkelly/issue196

Merged automatically by jenkins after successful build test
Permit relay from any sender (closes #204)

We cannot guarantee the local sender addresses will be addresses that
traffic can return to, so we will allow any sender from our valid
network range to relay emails anywhere.
Merge pull request #205 from willkelly/issue204

Merged automatically by jenkins after successful build test