Commits atom feed is double-escaped
Summary
The commits newsfeed (for example https://gitlab.com/apparmor/apparmor/commits/master?format=atom
) is double-escaped - my Feedreader displays HTML entity codes like 

instead of the expected characters.
Steps to reproduce
Add https://gitlab.com/apparmor/apparmor/commits/master?format=atom
to your Feedreader (I tested with Akregator, but others probably show the same behaviour)
Example Project
See above.
What is the current bug behavior?
My Feedreader displays (just showing an example)
Merge branch 'fix-pulse-config' into 'master'
Date: 17.12.17 17:19
Author:Christian Boltz

Fix local pulseaudio config file access

See merge request <a href="/apparmor/apparmor/merge_requests/38" data-original="apparmor/apparmor!38" data-link="false" data-project="4484878" data-merge-request="6743761" data-reference-type="merge_request" data-container="body" data-placement="bottom" title="Fix local pulseaudio config file access" class="gfm gfm-merge_request has-tooltip">!38</a>


Acked-by: Christian Boltz <user@example.com> for 2.9..trunk
What is the expected correct behavior?
Merge branch 'fix-pulse-config'; into 'master'
Date:17.12.17 17:19
Author:Christian Boltz
Fix local pulseaudio config file access
See merge request !38
Acked-by: Christian Boltz <user@example.com> for 2.9..trunk
(!38
should be a link to the merge request on gitlab)
Output of checks
This bug happens on/with GitLab.com.
Note that the commits feed contains for example &#x000A;
which then gets displayed as 

. It would render correctly if the feed would contain 
' (without escaping
&as
&`). My guess is that the HTML gets escaped twice.