Include widget from plone.app.widgets package
Remove traces of plone.formwidget.querystring
Merge remote-tracking branch 'origin/master' into mockup-issue-220
fix widgets related tests
pointing to correct field widget
no need for widgets.py
Merge branch 'master' into mockup-issue-220

* master: (24 commits)
  After some migrations with real-data, double the estimated time for migrations.
  use contributor-role in tests when adding content (fixes #63)
  wording in docs
  Fix #110: URL for Link object is wrong on the navigation portlet if it contains variables.
  Import ROBOT_TEST_LEVEL from p.a.testing.
  Use unique URL provided by ``plone.app.imaging`` to show the large version of a news item's lead image. This allows use of a stronger caching policy.
  Add my email address
  fixes #106 - thx @l34marr
  Make sure we use the correct base for absolute links when rendering the richtext display widget
  Only attempt transforming files if valid content type
  Improve INavigationRoot awareness handling.
  Remove unused import.
  Remove test_suite functions since they are only needed for zope.testing < 3.8.0.
  Make the collection behavior aware of INavigationRoot. Fixes #98
  remove dependency on plone.app.upgrade and use runAllImportStepsFromProfile directly
  Don't fall over if _relatedItemsOrder wasn't set
  Shift dexterity-related migrations to their own module to avoid trying to import archetypes-based things
  This is apparently less complex, and stops flake8 warning. Go automated code analysis.
  depend on latest releases of Plone 4.x
  Should adapt the request, not the context
  ...
Merge branch 'master' into mockup-issue-220

* master:
  add folders to test for migrating references
pinning plone.app.testing version
Merge branch 'mockup-issue-220' of git://github.com/plone/plone.app.contenttypes into mockup-issue-220

# By Alessandro Pisa
# Via Alessandro Pisa
* 'mockup-issue-220' of git://github.com/plone/plone.app.contenttypes:
  pinning plone.app.testing version
update document to use new p.a.contenttypes richtext behavior;
this fix https://github.com/plone/mockup/issues/231
merge master
Merge remote-tracking branch 'remotes/origin/mockup-issue-220' into mockup-issue-220

* remotes/origin/mockup-issue-220:
  Modernize robot tests
  make p.a.c. startup without Archetypes (fixes #99)
  Fix robot test setup by pinning the robot related packages to the latest version.
  Use the latest p.a.testing release.
  fix fix calculation of minutes for the estimated time
  plone5 branch renamed to master
  Update setup.py
  use safe_unicode for indexer (fixes #104) and pep8
  Fix #62: Keep ModificationDate during migration.
  add convenience-method to add the browser-layer to the request
  add failing test to confirm that the ModificationDate is changed on migration when content of folders is migrated (also when the folders containing the content is migrated)
  add forgotten xml for the import-step
  auto-enable multilingual-behavior if plone.multilingualbehavior is available
merge mockup-issue-220-richtext into mockup-issue-220
Make sure the widgets doesn't crash on edit
merge master
Click Edit
Merge branch 'mockup-issue-220' of git://github.com/plone/plone.app.contenttypes into mockup-issue-220

* 'mockup-issue-220' of git://github.com/plone/plone.app.contenttypes: (21 commits)
  don't use the integration-layer if you make commits
  Workon documentation and add more contributors
  update Changes
  sort test to fix problem with test-isolation
  improve migration-results page
  Since we now use the general RichText behavior, the test should write to that field, not the specific IEventSummar richtext field. Refs #117
  add utf-header
  checkout plone.dexterity to use primary fields from behaviors
  Added condition on Archetypes warning viewlet to ensure the product will work for Dexterity only sites.
  backport richtext behavior from Plone5 branch
  fix changed ModificationDate when docs are migrated first
  add i18n-domain
  don't waste too much time
  fix regression coming from plone.dexterity now having notifyModified
  Modernize robot tests
  fix regression coming from plone.dexterity now having notifyModified
  add test for the viewlet warning about uneditable content
  Fix #62: Keep ModificationDate during migration.
  add convenience-method to add the browser-layer to the request
  add failing test to confirm that the ModificationDate is changed on migration when content of folders is migrated (also when the folders containing the content is migrated)
  ...
Update test_collection_creator_criterion.robot
Merge remote-tracking branch 'origin/master' into mockup-issue-220