WL#1246 (Query cache in embedded library)


libmysqld/Makefile.am:
  New files added to the project
libmysqld/lib_sql.cc:
  added initialization of 'newborn' fields:
  catalog, catalog_length, def_length
sql/sql_cache.cc:
  Code added to provide query-cache in embedded library
  query_cache_insert isn't called during the query execution
  in embedded library. So we call it in query_cache_end_of_result.
  Parameter of query_cache_end_of_result changed to get access to
  the recordset
sql/sql_cache.h:
  function's parameter changed
sql/sql_parse.cc:
  we don't need these anymore