Factoring out pack_row() and unpack_row() into new files
rpl_record.{cc,h}.


libmysqld/Makefile.am:
  Adding file rpl_record.cc
sql/CMakeLists.txt:
  Adding file rpl_record.cc
sql/Makefile.am:
  Adding file rpl_record.cc and rpl_record.h
sql/log_event.cc:
  Moving implementation of unpack_row() into "rpl_record.cc".
  Adding inclusion of header file "rpl_record.h".
sql/log_event_old.cc:
  Signature of do_prepare_row() changed.
sql/log_event_old.h:
  Adding copyright.
sql/rpl_record_old.cc:
  Signature of do_prepare_row() changed.
sql/rpl_record_old.h:
  Adding copyright.
  Signature of do_prepare_row() changed.
sql/sql_class.cc:
  Moving implementation THD::pack_row() into "rpl_record.cc" and rewriting
  it to be a global function.
  Adding inclusion of header file "rpl_record.h".
sql/sql_class.h:
  Removing pack_row() as THD member function.
sql/rpl_record.cc:
  New BitKeeper file ``sql/rpl_record.cc''
sql/rpl_record.h:
  New BitKeeper file ``sql/rpl_record.h''