Summary: Dropping Go < 1.7 will allow us to remove the shim for gorilla/context, simplifying the codebase and making ongoing maintenance easier.

• The aim of those proposal is to gather potential feedback and signal to users the intent for change
• Go 1.10 is scheduled for release in Feb 2018 - https://tip.golang.org/doc/go1.10
• I suspect a not-insignificant number of users are likely on Go 1.6 (Ubuntu 16.04 LTS default)