it includes working wendeling plugin

  Each slave can introduce test parameter to be tested.
  Each slave has a log dedicated folder.

envirionment+= seems not working here.

that is required by serf library, that is required by subversion.
it seems that in some environment this rpath is explicitly required.

When looking for emergency user, zope configuration is not fully loaded
yet, thus if we do not set INSTANCE_HOME at startup, it will be wrong.
With this change, setting an "access" file under erp5shared folder will
work properly

In the same time, fix HOME folder to not be in a tmp folder

When looking for emergency user, zope configuration is not fully loaded
yet, thus if we do not set INSTANCE_HOME at startup, it will be wrong.
With this change, setting an "access" file under erp5shared folder will
work properly

In the same time, fix HOME folder to not be in a tmp folder