Add a CHANGELOG entry before merging the branch
Merge branch 'feature/drag-instead-arrows' into develop
Remove the redundant closing icon from the default theme
Adjust the "missing labels" check to the new language file format
Update all language files
Add the "slider" content element
Add the english labels of the content slider elements
Indent all content elements inbetween two wrapper elements
Add the version 3.1 update to adjust the database
Add a CHANGELOG entry before merging the branch
Merge branch 'feature/content-slider' into develop
Remove redundant comments from the `moo_` templates
Correctly load the language files (see #5384)
Update the forum link in the referer error message (see #5389)
Remove the pixel unit from the video width and height attributes (see #5383)
Bump the version number to 3.0.5
Merge branch 'hotfix/3.0.5'
Merge branch 'hotfix/3.0.5' into develop

Conflicts:
	system/config/constants.php
	system/docs/CHANGELOG.md
	system/modules/core/library/Contao/System.php
	system/modules/core/templates/be_referer.html5
Remove all references to `parent` in the decoupled library classes
Do not redirect to articles in the front end preview (see #1738)