Disable 'Edit on Github' links, fixes #512

Author: wohali

src/conf.py

@@ -72,7 +72,7 @@
 html_context = {
     "ga_code": "UA-658988-6",
     # Enable the "Edit in GitHub link within the header of each page.
-    "display_github": True,
+    "display_github": False,
     # Set the following variables to generate the resulting github URL for each page.
     # Format Template: https://{{ github_host|default("github.com") }}/{{ github_user }}/{{ github_repo }}/blob/{{ github_version }}{{ conf_py_path }}{{ pagename }}{{ suffix }}
     "github_user": "apache",