Update version in docs

Author: jordansissel

docs/installation.rst

@@ -22,7 +22,7 @@ To make sure fpm is installed correctly, try running the following command::
 You should get some output like this, although the exact output will depend on which version of FPM you have installed.::
 
     % fpm --version
-    1.14.0
+    1.17.0
 
 Now you can go on to `using FPM! <getting-started.html>`_