Merge pull request #828 from turkenh/releasing-v1.18

Update documentation for v1.18 release

Author: turkenh

config.yaml

@@ -90,7 +90,7 @@ security:
 # Global parameters accessible by any Page
 params:
   # The current "latest" version. Used in the version dropdown
-  latest: "1.17"
+  latest: "1.18"
   docs: true
   anchors:
     # Generate heading anchors for any heading between min and max