Add alternatives configurator stub with version and how to launch

source/3/3.2/3.2.17/alternative_configurator.rst

@@ -0,0 +1,18 @@
+Chapter 3.2.17 Alternatives configurator
+========================================
+
+To configure your alternatives like your default web browser and more applications. 
+
+Version
+-------
+Lubuntu ships with version 1.0.1 of galternatives. 
+
+How to Launch
+-------------
+To launch Alternatives configurator from the menu -> Prefrences -> Alternatives configurator or run 
+
+.. code::
+
+   galternitives
+
+from the command line. 

source/3/3.2/Prefrences.rst

@@ -23,4 +23,5 @@ This chapter sets up the many prefrences included within lubuntu for themeing an
   3.2.14/shortcut_keys
   3.2.15/users_and_groups
   3.2.16/window_effects
+  3.2.17/alternatives_configurator
   3.2.19/Printers.rst