language: go
go:
  - 1.8
  - 1.9
  - stable
  - master
matrix:
  allow_failures:
    - go: master

language: go
go:
  - 1.7
  - 1.8
  - 1.9
  - stable
  - master
matrix:
  allow_failures:
    - go: master

Add Travis 1.7 to build jobs.
Add Travis 1.7 to build jobs.

Gimme (wrongfully) picked 1.7 for the stable release earlier - some tests were failing, so we need to run the tests against 1.7.
