Visits remote extensions repositories to pull down details of
available extensions. These are then presented to the reporter
in tabular form.
WIZARD find_extension_1
Stage 1 of the find extension process. Build a prompt page for the
extension search expression.
WIZARD find_extension_2
Stage 2 of the find extension process, follows on from find_extension_1.
Given a search, get matching extensions. the report will then permit
study and installation of the extensions.