Manifest changes - BROKEN

Going to abandond this branch for now.  The change is beoming
excessively time consuming, and it is not clear that a smaller change
might not achieve more of the objectives.

All this is broken - but perhaps could get picke dup another day.

include/leveled.hrl

@@ -24,12 +24,11 @@
                         {next_sqn :: integer(),
                         clerk :: pid(),
                         src_level :: integer(),
-                        manifest :: list(),
                         start_time :: tuple(),
                         ledger_filepath :: string(),
-                        manifest_file :: string(),
-                        new_manifest :: list(),
                         unreferenced_files :: list(),
+                        new_files :: list(),
+                        level_counts :: dict(),
                         target_is_basement = false ::boolean()}).
 
 -record(level,