Fix wrong links after migration

README.md

@@ -1,11 +1,9 @@
-# ![Piano icon](https://raw.github.com/makeopen/piano/master/images/logos/logo32.png) Piano
+# ![](images/logos/logo32.png) Piano
 
 Piano is a desktop app that uses built-in MIDI support in order to
 offer an usable interface for playing any of the 127 instruments defined
 by General MIDI.
 
-[Download latest release](https://github.com/makeopen/piano/releases)
-
 ## Building
 
 Using Grunt:
@@ -19,15 +17,15 @@ Then run the app in `build/win` folder.
 
 ## Screenshots
 
-![Main window](https://raw.github.com/makeopen/piano/master/images/screenshots/main.png)
+![Main window](images/screenshots/main.png)
 
 *Main window*
 
-![With a music loaded](https://raw.github.com/makeopen/piano/master/images/screenshots/music.png)
+![With a music loaded](images/screenshots/music.png)
 
 *With a music loaded*
 
-![Instruments window](https://raw.github.com/makeopen/piano/master/images/screenshots/instruments.png)
+![Instruments window](images/screenshots/instruments.png)
 
 *Instruments window*
 
@@ -69,4 +67,4 @@ Icons made by:
 
 - Freepik (http://freepik.com) from http://flaticon.com (CC BY 3.0);
 - Icons8 (http://icons8.com) from http://flaticon.com (CC BY 3.0);
-- Icomoon (http://icomoon.io) from http://flaticon.com (CC BY 3.0).
+- Icomoon (http://icomoon.io) from http://flaticon.com (CC BY 3.0).