[cwvreg] rename CWRegistryStore.solutions to compute_var_types solutions() seems an obscure name to me. Since this method computes the types of the variables of the RQL query string, let us rename it to compute_var_types.

Release notes
-------------

.. toctree::
    :maxdepth: 1

    3.27
    3.26
    3.25
    3.24
    3.23
    3.22
    3.21
    3.20
    3.19
    3.18
    3.17
    3.16
    3.15
    3.14