Setup TravisCI to report cov stats to coveralls.io.

.travis.yml

@@ -1,3 +1,11 @@
 language: go
 go: release
-install: go get -d -t -v ./...
+install:
+  - go get -d -t -v ./...
+  - go get -v code.google.com/p/go.tools/cmd/cover
+script:
+  - go test -v -covermode=count -coverprofile=profile.cov
+after_success:
+  - go get -v github.com/mattn/goveralls
+  - export PATH=$PATH:$HOME/gopath/bin
+  - goveralls -coverprofile=profile.cov -service=travis-ci