[cwconfig] drop importing legacy cubes
This finally drop support for legacy cubes.
In cwconfig, don't load modules in the "cubes" namespace.
In cube_pkginfo() handle CW_MIGRATION_MAP which wasn't working with new style cube.
Drop all method specific to legacy cubes importer: cubes_search_path(), extrapath(), cls_adjust_sys_path()
Drop environment variables related to legacy cubes: CW_CUBES_PATH and CW_CUBES_DIR
.. _core_module:
:mod:`cubicweb.pyramid.core`
----------------------------
.. automodule:: cubicweb.pyramid.core
.. autofunction:: includeme
.. autofunction:: cw_to_pyramid
.. autofunction:: render_view
.. autofunction:: repo_connect
.. autofunction:: get_principals
.. autoclass:: CubicWebPyramidRequest
:show-inheritance:
:members:
.. autofunction:: _cw_session
.. autofunction:: _cw_cnx
.. autofunction:: _cw_request