README: reorder usage and compilation

Clement Champetier · Clement Champetier · commit 942313a2ca55 · 2015-10-05T16:46:57.000+02:00
diff --git a/README.md b/README.md
@@ -17,12 +17,12 @@ Based on Libav/FFmpeg libraries to support various video and audio formats, avTr
 #### License
 See [**COPYING.md**](COPYING.md)
 
-#### Compilation
-See [**INSTALL.md**](INSTALL.md)
-
 #### How to use
 See [**USAGE.md**](USAGE.md)
 
+#### Compilation
+See [**INSTALL.md**](INSTALL.md)
+
 #### Tests
 
 ###### nosetests
