Add Travis CI.

Add badges to README.
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..ec23bc5
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,16 @@
+sudo: false
+language: go
+go:
+  - 1.6.2
+  - tip
+matrix:
+  allow_failures:
+    - go: tip
+  fast_finish: true
+install:
+  - # Do nothing. This is needed to prevent default install action "go get -t -v ./..." from happening here (we want it to happen inside script step).
+script:
+  - go get -t -v ./...
+  - diff -u <(echo -n) <(gofmt -d -s .)
+  - go tool vet .
+  - go test -v -race ./...
diff --git a/README.markdown b/README.markdown
index 5fcdfa4..23dfee0 100644
--- a/README.markdown
+++ b/README.markdown
@@ -1,4 +1,4 @@
-# Humane Units
+# Humane Units [![Build Status](https://travis-ci.org/dustin/go-humanize.svg?branch=master)](https://travis-ci.org/dustin/go-humanize) [![GoDoc](https://godoc.org/github.com/dustin/go-humanize?status.svg)](https://godoc.org/github.com/dustin/go-humanize)
 
 Just a few functions for helping humanize times and sizes.