Merge branch '404-change-content-type-for-rss-feed-page-type-101' into 'develop'

Resolve "Change Content-Type for RSS feed/page type 101"

Closes #404

See merge request !281
4 jobs for develop in 4 minutes and 30 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #13161
test:php

00:00:14

 
  Build
passed #13162
build

00:00:31

 
  Layout
passed #13163
layout

00:01:47

 
  Deploy
passed #13164
deploy-develop

00:01:57