DOP-1883: use secure links when linking to MDB properites (#579)

Author: schmalliso

conf.py

@@ -223,15 +223,15 @@
 
 extlinks = {
     'issue': ('https://jira.mongodb.org/browse/%s', '' ),
-    'manual': ('http://docs.mongodb.com/manual%s', ''),
-    'opsmgr': ('http://docs.opsmanager.mongodb.com/current%s', ''),
-    'opsmgr-rapid': ('http://docs.opsmanager.mongodb.com/rapid%s', ''),
-    'cloudmgr': ('http://docs.cloudmanager.mongodb.com%s', ''),
-    'atlas': ('http://docs.atlas.mongodb.com/%s', ''),
+    'manual': ('https://docs.mongodb.com/manual%s', ''),
+    'opsmgr': ('https://docs.opsmanager.mongodb.com/current%s', ''),
+    'opsmgr-rapid': ('https://docs.opsmanager.mongodb.com/rapid%s', ''),
+    'cloudmgr': ('https://docs.cloudmanager.mongodb.com%s', ''),
+    'atlas': ('https://docs.atlas.mongodb.com/%s', ''),
     'bic': ('https://docs.mongodb.com/bi-connector/current%s',''),
     'compass': ('https://docs.mongodb.com/compass/current%s',''),
-    'product': ('http://www.mongodb.com/products/%s?tck=docs',''),
-    'dl': ('http://www.mongodb.com/download-center/%s?tck=docs',''),
+    'product': ('https://www.mongodb.com/products/%s?tck=docs',''),
+    'dl': ('https://www.mongodb.com/download-center/%s?tck=docs',''),
     'website': ('https://www.mongodb.com%s?tck=docs',''),
     'wikipedia' : ('https://en.wikipedia.org/wiki%s', ''),
     'k8sdocs': ('https://kubernetes.io/docs%s', ''),