Update README.md

After the repo reorg the link to the server code did not work any longer (and the logo in the readme). This pr fixes these two.

README.md

@@ -1,6 +1,6 @@
 [![Build Status](https://travis-ci.org/paulgb/notify.run.svg?branch=master)](https://travis-ci.org/paulgb/notify.run)
 
-<img src="site/static-src/icon.png" height="30" /> notify.run
+<img src="https://avatars2.githubusercontent.com/u/53474526?s=200&v=4" height="30" /> notify.run
 ============================================================
 
 **[notify.run](https://notify.run) makes it easy to programmatically send notifications to your own phone or desktop.** It is provided as a free web service that can be used without installation (on both the sending and receiving end). This repository contains the source of the web service, as well as a Python client that provides integration with Jupyter and Keras.
@@ -11,4 +11,4 @@ This repository contains the source code for the Python client, website, and ser
 
 - **If you are interested in using the public instance of notify.run to send notifications to yourself, you don’t need to download anything from this repo.** Just follow the instructions at [notify.run](https://notify.run).
 - If you are interested in using the Python client to send notifications via notify.run, see [py_client/README.rst](py_client/README.rst).
-- If you are interested in self-hosting your own notify.run server, see [server/README.rst](server/README.rst).
+- If you are interested in self-hosting your own notify.run server, see [notify-run-server](https://github.com/notify-run/notify-run-server).