Enable Flow on 'm:Talk:Flow/Developer test page'

Enable flow on a single metawiki test page. This is preperation for next
weeks expansion to m:Programs_talk:Evaluation_portal/Learning_modules

Change-Id: I99597be6eac0393da6d3e50cb0297b26ff98c757
Enable Flow on two mediawikiwiki pages for design

Per brandon's request enabling the Talk:Winter and User talk:Jorm (WMF) pages
with Flow.

Change-Id: I39018c4f906141bf603d222276649820832a3a40
Merge "Enable Flow on 'm:Talk:Flow/Developer test page'"
Merge "Enable Flow on two mediawikiwiki pages for design"