update sphinx configuration to properly use the icons

docs/conf.py

@@ -112,12 +112,12 @@
 
 # The name of an image file (relative to this directory) to place at the top
 # of the sidebar.
-#html_logo = None
+html_logo = "_static/e-logo-rev.png"
 
 # The name of an image file (within the static path) to use as favicon of the
 # docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
 # pixels large.
-#html_favicon = None
+html_favicon = "_static/et.ico"
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
@@ -191,7 +191,7 @@
 
 # The name of an image file (relative to this directory) to place at the top of
 # the title page.
-#latex_logo = None
+latex_logo = "e-logo-rev.png"
 
 # For "manual" documents, if this is true, then toplevel headings are parts,
 # not chapters.