o Minor bugfixes - Remove dead code from rend_cache_lookup_v2_desc_as_dir. Fixes part of bug 2748; bugfix on 0.2.0.10-alpha. - Log malformed requests for rendezvous descriptors as protocol warnings, not warnings. Also, use a more informative log message in case someone sees it at log level warning without prior info-level messages. Fixes the other part of bug 2748; bugfix on 0.2.0.10-alpha.