Every validated Data Set (and repsective Data Stream placeholders) once validated become accessible to anonymous user. This implements default data lake policy: all can download data sets but only authenticated can upload

Since 94a179a607d96b5732177fb9e61839577e567cd2 this editor no longer exists, thus replace accordingly.

/reviewed-on !35

Added Business template to be used in tutorial and updated wendelin-standalone-bind.sh

/reviewed-on !33

Add register form based on erp5_credential bt5.
Create Credential Requst at server side.

/reviewed-on nexedi/wendelin!32

in some project this is required.
Remove obsolete script.

Traceback:

2019-06-18 10:29:39,329 ERROR Application Couldn't install Wendelin
Traceback (most recent call last):
  File "/srv/slapgrid/slappart17/srv/runner/software/48eba2a3dea7ea09294d0e4a58407c09/eggs/Zope2-2.13.29-py2.7.egg/OFS/Application.py", line 660, in install_product
    global_dict, global_dict, silly)
  File "/srv/slapgrid/slappart17/srv/runner/software/48eba2a3dea7ea09294d0e4a58407c09/parts/wendelin/product/Wendelin/__init__.py", line 72, in <module>
    allow_type(pd.DataFrame)
  File "/srv/slapgrid/slappart17/srv/runner/software/48eba2a3dea7ea09294d0e4a58407c09/eggs/AccessControl-2.13.16-py2.7-linux-x86_64.egg/AccessControl/SimpleObjectPolicies.py", line 89, in allow_type
    raise ValueError, "%s handles its own security" % `Type`
ValueError: <class 'pandas.core.frame.DataFrame'> handles its own security