logilab-astng #73668 teach pylint /astng that modules and package have a __package__ attribute [open]

Currently, pylint will report a false positive when some_module.__package__ is accessed:

import logilab
print logilab.__package__
from logilab import common
print common.__package

will report 2 errors whereas the code runs fine.

appeared in<not specified>
done in0.24.1
closed by<not specified>