update travis-ci to use ginkgo tests

Author: gcmurphy

.travis.yml

@@ -4,3 +4,11 @@ before_script:
 go:
   - 1.5
   - tip
+install:
+  - go get -v github.com/onsi/ginkgo/ginkgo
+  - go get -v github.com/onsi/gomega
+  - go get -v -t ./...
+  - export PATH=$PATH:$HOME/gopath/bin
+
+script: ginkgo -r --randomizeAllSpecs --randomizeSuites --failOnPending --cover --trace --race --compilers=2
+