* Update changelog
* Bump Go modules.
* Update NewClientFromConfig use
* Bump Go to 1.15.
prometheus/common#249 added option to disable HTTP/2.
Signed-off-by: Ben Kochie <superq@gmail.com>
* Add prometheus-community boilerplate.
* Switch from external harness package to internal.
* Update imports to new locations.
* Cleanup old `gow` build.
Signed-off-by: Ben Kochie <superq@gmail.com>