Move getting_started page to an 'installation' page within a Getting Started section

docs/getting_started/index.rst

@@ -0,0 +1,8 @@
+Getting started
+===============
+
+
+.. toctree::
+    :maxdepth: 2
+
+    installation

docs/getting_started/installation.rst

@@ -1,8 +1,6 @@
-.. _getting_started:
-
-===============
-Getting started
-===============
+============
+Installation
+============
 
 Before you start
 ================

docs/index.rst

@@ -8,7 +8,7 @@ It supports Django 1.6.2+ and 1.7rc3+ on Python 2.6, 2.7, 3.2, 3.3 and 3.4.
 .. toctree::
    :maxdepth: 3
 
-   getting_started
+   getting_started/index
    core_components/index
    contrib_components/index
    howto/index