GLFW Ubuntu package works on 16.10

INSTALL.md

@@ -1,22 +1,30 @@
 # Install
 
-## Ubuntu 15.10
+## Ubuntu
 
 The procedure is detailed in the [.travis.yml](.travis.yml).
 
 If you want to reuse distribution packages as much as possible,
 you need at the very least to:
 
--   compile and install AntTweakBar from source.
+-   compile and install AntTweakBar from source: <http://anttweakbar.sourceforge.net/doc/>
 
     There is no Ubuntu package for it, and that project is marked as unmaintained.
 
--   compile and install GLFW from source because of a Debian packaging bug with CMake:
-    <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=812853>
+-   Ubuntu 15.10 and earlier required extra fixes to GLFW because of packaging and upstream bugs.
 
--   apply the fix at
-    <https://github.com/rougier/freetype-gl/blob/a4cfb9abac19a0ab62b625a9b6f856e032fe3732/.travis.yml#L23>
-    to the installed GLFW files
+    Those were not present in 16.10 anymore, where you can just use:
+
+        sudo apt-get install libglfw3-dev
+
+    The fixes were:
+
+    -   compile and install GLFW from source because of a Debian packaging bug with CMake:
+        <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=812853>
+
+    -   apply the fix at
+        <https://github.com/rougier/freetype-gl/blob/a4cfb9abac19a0ab62b625a9b6f856e032fe3732/.travis.yml#L23>
+        to the installed GLFW files
 
 Then: