[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.

etc/init.d
etc/cubicweb.d
usr/bin
var/log/cubicweb
var/lib/cubicweb/backup
var/lib/cubicweb/instances