doc: Added proper sidebar to index page

doc/en/_templates/sidebarintro.html

@@ -0,0 +1,19 @@
+<h3>About pytest</h3>
+<p>
+  pytest is a mature full-featured Python testing tool that helps
+  you write better programs.
+</p>
+<h3>Other Formats</h3>
+<p>
+  You can download the documentation in other formats as well:
+</p>
+<ul>
+  <li><a href="http://pytest.org/latest/pytest.pdf">as PDF</a>
+</ul>
+<h3>Useful Links</h3>
+<ul>
+  <li><a href="http://pytest.org">The pytest Website</a></li>
+  <li><a href="https://pypi.python.org/pypi/pytest">pytest @ PyPI</a></li>
+  <li><a href="https://bitbucket.org/hpk42/pytest/">pytest @ Bitbucket</a></li>
+  <li><a href="https://bitbucket.org/hpk42/pytest/issues">Issue Tracker</a></li>
+</ul>

doc/en/conf.py

@@ -153,6 +153,20 @@ html_static_path = ['_static']
 #html_sidebars = {}
 #html_sidebars = {'index': 'indexsidebar.html'}
 
+html_sidebars = {
+    'index': [
+        'sidebarintro.html',
+        'sourcelink.html',
+        'searchbox.html'
+    ],
+    '**': [
+        'localtoc.html',
+        'relations.html',
+        'sourcelink.html',
+        'searchbox.html'
+    ]
+}
+
 # Additional templates that should be rendered to pages, maps page names to
 # template names.
 #html_additional_pages = {}