Merge #2207

"define and implement (datasrc::memory::)ZoneUpdater class"

It is now ZoneWriter.

No changelog.

Conflicts:
	src/lib/datasrc/memory/Makefile.am

diff --cc src/lib/datasrc/memory/Makefile.am
index 6fce9580395547737bd237b2456f9808b7a6420d,25fc0fa40ac084070692f97e9c145034ce255d8c..7b82269c0bee0bffd09810db4762aadc25718299
--- 1/src/lib/datasrc/memory/Makefile.am
--- 2/src/lib/datasrc/memory/Makefile.am
+++ b/src/lib/datasrc/memory/Makefile.am
@@@ -21,10 -22,9 +21,13 @@@ libdatasrc_memory_la_SOURCES += zone_ta
  libdatasrc_memory_la_SOURCES += zone_finder.h zone_finder.cc
  libdatasrc_memory_la_SOURCES += zone_table_segment.h zone_table_segment.cc
  libdatasrc_memory_la_SOURCES += zone_table_segment_local.h zone_table_segment_local.cc
 +libdatasrc_memory_la_SOURCES += zone_data_updater.h zone_data_updater.cc
 +libdatasrc_memory_la_SOURCES += zone_data_loader.h zone_data_loader.cc
 +libdatasrc_memory_la_SOURCES += memory_client.h memory_client.cc
+ libdatasrc_memory_la_SOURCES += zone_writer.h
+ libdatasrc_memory_la_SOURCES += zone_writer_local.h zone_writer_local.cc
+ libdatasrc_memory_la_SOURCES += load_action.h
 +
  nodist_libdatasrc_memory_la_SOURCES = memory_messages.h memory_messages.cc
  
  EXTRA_DIST  = rdata_serialization_priv.cc