language: go

go:
  - 1.2
  - tip

language: go

go:
  - 1.2
  - 1.3
  - 1.4
  - 1.5
  - 1.6
  - tip

Test against most recent versions of Go.
Test against most recent versions of Go.

Add more versions of Go to .travis.yml so we can test against more
versions of Go.
