v1.4.15

This patch release includes the following fixes & improvements:

• Default Gateway discovery: Remove external dependencies #65 (thanks @jw-s!)

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

Glide (glide.yaml)

import:
  - package: github.com/instana/go-sensor
    version: ^v1.4.15