* Add trimpath arg to gobuild
* Add build constraints for trimpath usage
* Reduce duplications across go versions
* Change trimpath fn-files for better names
* Attempt to apply with minikube on Travis
* Attempt to apply with KinD on Travis
* Install kind thru curl to not affect build
* Use debug.ReadBuildInfo to populate `ko version`
* don't print version on build info failure
* Build using Go 1.12 and 1.13
* drop 'version: ' prefix
* println