This should have been part of 55f915c3

This reverts commit 781c1a44.
Extended .cfg files are not cooperating, so += is unusable in [buildout]
section, even for find-links.

Conflicts:
	stack/erp5/buildout.cfg
(cherry picked from commit b4085e58)

This reverts commit 781c1a44.
Extended .cfg files are not cooperating, so += is unusable in [buildout]
section, even for find-links.

Conflicts:
	stack/erp5/buildout.cfg

also pin 'cloudooo = 1.2.5-dev' to avoid possible usage of old released 1.2.3 egg.

Also, simplify syntax (no need for a loop).
Also, actually propagate error from all commands.

This work has nothing to do in erp5-component branch, and is preventing it
from being merged to erp5 banch more often.
Conflicts because of non-reverted
6d1a9805 have been resolved to that its
intent is preserved with non-cluster ERP5 SR.

This reverts commit 77976a14.
This reverts commit 7aa1d92c.
This reverts commit 80062015.
This reverts commit 36ed58f2.
This reverts commit 1fe3f466.
This reverts commit 7731726a.
This reverts commit eb2016c4.

User (with enough privileges) must be supplied, otherwise logs are never
reopened.
Also, quote socket and binary paths.

This rever commits
2def7c36
92302152

update md5sum that should be part of 80062015 (Jinja2 does not support "is not" operator).