Infrastructure built. Added the  foreseen files and change Makefile.am/CMakeLists.txt
accordingly.


libmysqld/Makefile.am:
  add new files. this is first cut of WL3337u
sql/CMakeLists.txt:
  add more files to build
sql/Makefile.am:
  add new files. this is first cut of WL3337
sql/event_scheduler.cc:
  event_timed.h -> event_data_objects.h (WL#3337)
sql/events.cc:
  event_timed.h -> event_data_objects.h (WL#3337)
sql/share/errmsg.txt:
  new error message
sql/event_data_objects.cc:
  event_timed.h -> event_data_objects.h (WL#3337)
sql/event_data_objects.h:
  event_timed.h -> event_data_objects.h (WL#3337)
sql/sql_parse.cc:
  event_timed.h -> event_data_objects.h (WL#3337)
sql/sql_show.cc:
  event_timed.h -> event_data_objects.h (WL#3337)
sql/sql_yacc.yy:
  event_timed.h -> event_data_objects.h (WL#3337)