Updated theme docs.

docs/source/conf.py

@@ -20,7 +20,7 @@
 # import os
 # import sys
 # sys.path.insert(0, os.path.abspath('.'))
-
+import sphinx_rtd_theme
 
 # -- General configuration ------------------------------------------------
 
@@ -83,7 +83,8 @@ todo_include_todos = False
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = 'alabaster'
+html_theme = 'sphinx_rtd_theme'
+html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the