Merge branch 'dm-page-image-size' into 'master'

Limit OpenGraph image size to 64x64

See merge request !12541

app/views/layouts/_head.html.haml

@@ -11,6 +11,8 @@
   %meta{ property: 'og:title',       content: page_title }
   %meta{ property: 'og:description', content: page_description }
   %meta{ property: 'og:image',       content: page_image }
+  %meta{ property: 'og:image:width', content: '64' }
+  %meta{ property: 'og:image:height', content: '64' }
   %meta{ property: 'og:url',         content: request.base_url + request.fullpath }
 
   -# Twitter Card - https://dev.twitter.com/cards/types/summary

changelogs/unreleased/dm-page-image-size.yml

+---
+title: Limit OpenGraph image size to 64x64
+merge_request:
+author: