storage: fix config loading

Signed-off-by: Richard Marko <rmarko@redhat.com>
yum: pass repository name to repoquery

repoquery is caching metadata of the repositories
passed to it -> can't use the same name for each query.

Signed-off-by: Richard Marko <rmarko@redhat.com>
yum: prepend file:// to local resources

Signed-off-by: Richard Marko <rmarko@redhat.com>
add pyfaf.decorators

Signed-off-by: Richard Marko <rmarko@redhat.com>
reposync: add package download support

Signed-off-by: Richard Marko <rmarko@redhat.com>