One last format and content cleanup for the index page

Update the form of the links to other documents in the tree;
the generated HTML links must remain in the original form.
The layout is changed from the previous tables to a more Sphinx-y
TOC-like list.

Also editorial changes to the index page and guide titles

Change-Id: I52df0cc542754c386fb3c99d9efdf2524c11bf48
diff --git a/doc/source/guides/single-machine.rst b/doc/source/guides/single-machine.rst
index 6059511..9eaa38a 100644
--- a/doc/source/guides/single-machine.rst
+++ b/doc/source/guides/single-machine.rst
@@ -1,6 +1,6 @@
-==========
-All-In-One
-==========
+=========================
+All-In-One Single Machine
+=========================
 
 Things are about to get real! Using OpenStack in containers or VMs is
 nice for kicking the tires, but doesn't compare to the feeling you get