Remove <base> tag from rendered HTML
Add tests for PLIP 13705
We need to use absolute url since we don't have <base>
remove registration of event-registration.js, which was deprecated and moved from plone_3rdParty skin layer
fix tests
fix tests
FolderFeed adapter now takes the max_items form setting into consideration when outputting the RSS feed links

Conflicts:
	docs/CHANGES.rst
Cherry-picked FolderFeed max_items fix from 4.3.x to master branch
handle plone.app.textfield RichTextValue objects in syndication. Should
  fix syndication with plone.app.contenttypes.
merge hotfixes
fix @vangheem's bad merge
Merge branch 'master' into plip-13705-remove-base
Remove un-needed renderBase method and update changelog
Merge pull request #152 from plone/plip-13705-remove-base

Plip 13705 remove base
Import ROBOT_TEST_LEVEL from p.a.testing.
Merge remote-tracking branch 'origin/master' into plip13476-mockup