Add travis ci

.travis.yml

@@ -0,0 +1,14 @@
+language: go
+
+sudo: false
+
+go:
+    - tip
+
+before_install:
+    - go get github.com/axw/gocov/gocov
+    - go get github.com/mattn/goveralls
+    - if ! go get code.google.com/p/go.tools/cmd/cover; then go get golang.org/x/tools/cmd/cover; fi
+
+script:
+    - $HOME/gopath/bin/goveralls -service=travis-ci