Resolve a bunch of FIXME items; mark a lot more for attention; ask for clarification on some. Turn all XXXX008 ("showstopper for 0.0.8 release") items into XXXX009 or XXXX, since plainly they were not showstoppers for 0.0.8. Add/clean some docs.

svn:r2808

src/or/rendclient.c

@@ -246,8 +246,7 @@ rend_client_refetch_renddesc(const char *query)
     log_fn(LOG_INFO,"Would fetch a new renddesc here (for %s), but one is already in progress.", query);
   } else {
     /* not one already; initiate a dir rend desc lookup */
-    directory_get_from_dirserver(DIR_PURPOSE_FETCH_RENDDESC,
-                                 query, strlen(query));
+    directory_get_from_dirserver(DIR_PURPOSE_FETCH_RENDDESC, query);
   }
 }