Also move and simplify management of configuration files.

* based on rev 16a14ce of https://github.com/buildout/buildout/blob/1/bootstrap/bootstrap.py .
* update setuptools_source url to use the latest ez_setup.py so that the newest setuptools is used.

This reverts commit acc65d77.

Also fill missing changelog.

Instead, poll often, and continue if promise finished.

Used to decrease writes done by slapos.format.
Also disable specific chgrp for webrunner.

Allow to script it.

This reverts commit f0c29e60.

so that product.foo works.

Conflicts:
	CHANGES.txt
	master/bt5/slapos_cloud/SkinTemplateItem/portal_skins/slapos_cloud/Computer_viewCurrentUsage/my_busy_computer_partition_list.xml
	master/bt5/slapos_cloud/SkinTemplateItem/portal_skins/slapos_cloud/Computer_viewCurrentUsage/your_busy_computer_partition_list.xml
	master/bt5/slapos_cloud/bt/revision
	master/bt5/slapos_crm/SkinTemplateItem/portal_skins/slapos_crm/Computer_checkSoftwareInstanceState.xml
	master/bt5/slapos_crm/SkinTemplateItem/portal_skins/slapos_crm/ERP5Site_isSupportRequestCreationClosed.xml
	master/bt5/slapos_crm/bt/revision
	master/bt5/slapos_ecoallocation/SkinTemplateItem/portal_skins/slapos_ecoallocation/Alarm_updateSoftwareReleaseCapacity.xml
	master/bt5/slapos_ecoallocation/SkinTemplateItem/portal_skins/slapos_ecoallocation/SoftwareInstance_viewAsWeb/my_text_content.xml
	master/bt5/slapos_ecoallocation/SkinTemplateItem/portal_skins/slapos_ecoallocation/SoftwareInstance_viewAsWeb/your_connection_listbox.xml
	master/bt5/slapos_erp5/bt/revision
	master/bt5/slapos_hypermedia/ExtensionTemplateItem/SlapOSHypermedia.py
	master/bt5/slapos_hypermedia/TestTemplateItem/portal_components/test.erp5.testSlapOSHypermediaSkins.py
	master/bt5/slapos_hypermedia/bt/revision
	master/bt5/slapos_pdm/SkinTemplateItem/portal_skins/slapos_pdm/SoftwareProduct_viewMassUpgradeDialog/your_comment.xml
	master/bt5/slapos_pdm/bt/revision
	master/bt5/slapos_pdm/bt/template_test_id_list
	master/bt5/slapos_rest_api/bt/revision
	master/bt5/slapos_slap_tool/bt/revision
	master/bt5/slapos_web/SkinTemplateItem/portal_skins/slapos_rss/WebSection_getRSSDescriptionContent.xml
	master/bt5/slapos_web/SkinTemplateItem/portal_skins/vifib_hosting/WebSection_viewHelpRender/your_ad.xml
	master/bt5/slapos_web/bt/revision
	setup.py
	slapos/cli/collect.py
	slapos/cli_legacy/bang.py
	slapos/collect/__init__.py
	slapos/collect/db.py
	slapos/collect/entity.py
	slapos/collect/reporter.py
	slapos/collect/snapshot.py
	slapos/grid/slapgrid.py
	slapos/proxy/views.py
	slapos/slap/slap.py
	slapos/tests/slap.py
	slapos/tests/slapgrid.py
	slapos/tests/slapproxy/__init__.py
	slapos/version.py

Disable acquire local roles for:
- Document Module
- File
- Image
- Image Module
- Organisation Module
- Person Module
- Query

The commit is moved from erp5 to slapos_web because this changes is related to the specific case of SlapOS Master.

Related commit list:
4f041760abc4bb33f6f0e5c9e6a9b4c601160ec3
458153275adf30d7fb89c2ea9592a28ddd088cba
c3d6235e3ab83bdeec7e71b795a2f1a8db679e4a
41ed3ba17b2ab579f86aec72a828f5f63e3e01c5
ca8646580c5c3349d859828a14e7934a5975d106
715b1005882b6295882b9d94cabfdd7ac45ea66a

BUILDING_KEY has been dropped from SimulatedDeliveryBuilder. We remove all code related to BUILDING_KEY
which is deprecated now.

requests library ignores empty parameters.

slapos.proxy: new requests library does not send empty parameters, so adapt behavior when dealing with optional parameters.