Add build status and minorly tweak the layout of the README
-# lucet
+# lucet &emsp; [![Build Status]][travis]
-Lucet is a native WebAssembly compiler and runtime. It is designed to safely
-execute untrusted WebAssembly programs inside your application.
+[Build Status]: https://api.travis-ci.org/fastly/lucet.svg?branch=master
+[travis]: https://github.com/fastly/lucet
+
+**Lucet is a native WebAssembly compiler and runtime. It is designed to safely
+execute untrusted WebAssembly programs inside your application.**
Lucet uses, and is developed in collaboration with, Mozilla's
[Cranelift](http://github.com/cranestation/cranelift) code generator.
Lucet powers Fastly's [Terrarium](https://wasm.fastlylabs.com) platform.
+---
+
## Status
Lucet supports running WebAssembly programs emitted by Clang, Rustc, and
