docs(README): modernize text a bit

README.md

@@ -1,14 +1,7 @@
-Gamepad Specification
----------------------
+## 🎮 Gamepad Specification
+[![Build Status](https://travis-ci.com/w3c/gamepad.svg?branch=gh-pages)](https://travis-ci.com/w3c/gamepad)
 
-This repository is for editing drafts and discussion of the
-[Gamepad](https://w3c.github.io/gamepad/) specification
+This repository is for editing drafts and discussion of the [Gamepad](https://w3c.github.io/gamepad/) specification
 (and [extensions](https://w3c.github.io/gamepad/extensions.html) to it).
 
-Bugs for this specification now use Github Issues. Previously, [W3C's Bugzilla](https://www.w3.org/Bugs/Public/buglist.cgi?component=Gamepad&list_id=54698&product=WebAppsWG&resolution=---) 
-was used for this spec's bug management.
-
 See [FeatureRequests.md](FeatureRequests.md) for feature requests beyond the first version of this spec. 
-
-This spec was started with W3C's Hg/Mercurial repository but work on
-[that repository](https://dvcs.w3.org/hg/gamepad/) has stopped.