v1.4.17

This patch release includes the following fixes & improvements:

• Add support for INSTANA_DEBUG env var; drop INSTANA_DEV #69

Fetch via govendor:
govendor fetch github.com/instana/[email protected]

Glide (glide.yaml)

import:
  - package: github.com/instana/go-sensor
    version: ^v1.4.17