Move plone.locking to PloneTestCase alltests group. Move all other remaining plone alltests group to plone_app_testing group.
Merge branch '5.0' of github.com:plone/buildout.coredev into 5.0
Revert "Remove plone.app.z3cform from plone_app_testing group. There might be a problem when running multiple pkgs with robot tests in the same test group."

This reverts commit f7015b05aa78a402495e845e439cb9b8d6e6d41a.
Revert "Move plone.locking to PloneTestCase alltests group. Move all other remaining plone alltests group to plone_app_testing group."

This reverts commit 8c5eb8a6fd28ab734e8451daefd7538288593616.
Revert "Remove plone.app.widgets from plone_app_testing group. Seems like those tests run into a deadlock on Jenkins."

This reverts commit d583c112bb4b84a89dd5dc7ec19e50f721e1b1a1.
Revert "Move more pkgs from plone to plone_app_testing group."

This reverts commit 83e045c236a4d2ed9eb977f4fbbfd880d8cbd9ce.
Revert "Move borg.localrole to PloneTestCase alltests group. Move plone.cachepurging and plone.contentrules to plone_app_testing alltests group."

This reverts commit 330d1b89b6d1ea05558736b251e763e97de89d9a.
Revert "Move plone.app.vocabularies and plone.app.widgets to the plone_app_testing alltests group. Reorder the groups and put the AT groups on top. Add comments for each group so that people know what they are about."

This reverts commit 48aa3471e3a61afdcc08f1959cf13f43a27ab72e.
Revert "Checkout plone.app.z3cform."

This reverts commit 177080b5cc8fcccd3f2548c2985519325e07fbcf.
Revert "Move plone.app.textfield to PloneTestCase group and plone.formwidget.namedfile to plone_app_testing group."

This reverts commit 1aa27033bf54613c55d6ba0c29ffbcdba2101a65.
Revert "Move plone.app.z3cform to plone_app_testing alltests group."

This reverts commit 6caf9b48ccb9f1d0afd9890ad4005a8b80f8dd78.