openstackdocstheme 1.2.2 release

* Cleanup of HTML template files and CSS files
* Fix link to the OpenStack summit
* Fix links/texts in the license footer
* Link the Apache 2.0 license note in the footer
* Move listed guides in the sidebar into the dropdown menu
* On hover don't change the background color of the sidebar TOC
* Remove 'suggest edits' link from layout
* Remove duplicate ask.openstack.org link from the footer
* Remove last release details from header/footer
* Remove the 'Sign in' link in the top bar

Change-Id: I86bdb440e636540f4b95f336b579c3635f27a451

deliverables/liberty/openstackdocstheme.yaml

@@ -24,3 +24,7 @@ releases:
         highlights: >
            Fix display of metatags and "Docs Home" link,
            remove obsolete files.
+  - version: 1.2.2
+    projects:
+      - repo: openstack/openstackdocstheme
+        hash: e2f2c2d8836d86019c860616630b4cda3527a666