* A first attempt at using deser-hjson. Fixes#1270
* Trying to fix tests, try 1
* Trying to fix tests, try 2
* A few fixes to deser_hjson
- Removing unwrap_or_defaults, using impl functions.
- Reorganized settings
* Make clippy happy
* hjson list strings must be quoted.
* Adding support for env vars.
* Moving to structs and defaults file.
* Moving settings default and struct.
