fix(README): update the URLs

Author: Brandon Philips

README.markdown

@@ -1,7 +1,7 @@
-go.dbus
--------
+dbus
+----
 
-go.dbus is a simple library that implements native Go client bindings for the
+dbus is a simple library that implements native Go client bindings for the
 D-Bus message bus system.
 
 ### Features
@@ -15,16 +15,16 @@ D-Bus message bus system.
 This packages requires Go 1.1. If you installed it and set up your GOPATH, just run:
 
 ```
-go get github.com/guelfey/go.dbus
+go get github.com/godbus/dbus
 ```
 
 If you want to use the subpackages, you can install them the same way.
 
 ### Usage
 
 The complete package documentation and some simple examples are available at
-[godoc.org](http://godoc.org/github.com/guelfey/go.dbus). Also, the
-[_examples](https://github.com/guelfey/go.dbus/tree/master/_examples) directory
+[godoc.org](http://godoc.org/github.com/godbus/dbus). Also, the
+[_examples](https://github.com/godbus/dbus/tree/master/_examples) directory
 gives a short overview over the basic usage. 
 
 Please note that the API is considered unstable for now and may change without
@@ -34,3 +34,5 @@ further notice.
 
 go.dbus is available under the Simplified BSD License; see LICENSE for the full
 text.
+
+Nearly all of the credit for this library goes to github.com/guelfey/go.dbus.