implement syslog logging

Originally reported by: **Blake Huber (Bitbucket: [blakeca00](https://bitbucket.org/blakeca00), GitHub: Unknown)**

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logging should output via the syslog facility and write to a std location

Example:

```bash

/var/log/<logfile>

```

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- Bitbucket: https://bitbucket.org/blakeca00/stsaval/issue/15
