Merge pull request #53 from apcera/add-go-1.7.1

travis: update to test against Go 1.7.1, 1.6.3

Author: alextoombs

.travis.yml

@@ -2,7 +2,8 @@ language: go
 
 go:
   - 1.5.4
-  - 1.6.2
+  - 1.6.3
+  - 1.7.1
   - tip
 
 sudo: required
@@ -18,15 +19,14 @@ before_install:
   - sudo apt-get update -q
   - sudo apt-get install -y gcc libkrb5-dev
   - go get github.com/mattn/goveralls
-  - go get golang.org/x/tools/cmd/cover
 
 install: true
 
 script:
   - go vet ./...
   - go fmt ./...
   - go test -v -covermode=count -coverprofile=coverage.out
-  - $HOME/gopath/bin/goveralls -service=travis-ci
+  - $HOME/gopath/bin/goveralls -coverprofile=coverage.out -service=travis-ci
   - go test -i -race ./...
   - go test -v -race ./...
   - cd test/