billcobbler

add host additional info filters

1

My initial take on implementing #2329. Adds a new `additional_info_filters` query param to the `/api/v1/kolide/hosts` endpoint that takes a comma delimited list of additional fields to include in the result.

feature: add ability to filter additional host info

2

I know the recommendation is to keep the `additional_queries` to a minimum (to limit performance impacts). However, we have a potential need to be able to filter the `additional` fields...