doc: add v2.2 to doc menu choices
@@ -189,6 +189,7 @@ else:
html_context = {
'current_version': current_version,
'versions': ( ("latest", "/latest/"),
+ ("2.2", "/2.2/"),
("2.1", "/2.1/"),
("2.0", "/2.0/"),
("1.6.1", "/1.6.1/"),
