added fix for keeping "records" up to date when execute() fails

into poseidon.(none):/home/tomas/mysql-4.1-ndb-merge

into poseidon.(none):/home/tomas/mysql-4.1-ndb-merge

clearer configure description texts
changed Ndb_local_table_info to use create, destroy metods and hidden constructor/destructor
move definition if Thd_ndb to .h file and changes seize/release to operate on Thd_ndb instead of Ndb objects
moved allocation/deletion of Ndb objects to Thd_ndb

into mysql.com:/M41/mysql-4.1

into poseidon.(none):/home/tomas/mysql-4.1-ndb-merge

into poseidon.(none):/home/tomas/mysql-4.1-ndb-merge

into gw.mysql.r18.ru:/usr/home/ram/work/4.1.b5497

new methods to keep "records" up to date
unset flag HA_NOT_EXACT_COUNT to make handler read "records" field, for count() optim and join optimization
new methods to keep "records" up to datecorrect record field in ndbcluster handler
new method for ndbcluster handler to store/retrieve table and thread specific data
changed local hash to store new table_info object, with placeholders for local data, instead of TableImpl
hanged deleteKey to return ponter to deleted object
moved heavy global cache fetch from inline to separate method

into gw.mysql.r18.ru:/usr/home/ram/work/4.1.b5497

  Bug#5523 Test failure: 'ctype_uca'
  Type cast should have been applied to shift and bit-and operation results, not to min_sort_char/max_sort_char before the operation.

into mysql.com:/home/jonas/src/mysql-4.1

into deer.(none):/home/hf/work/mysql-4.1.5396

into deer.(none):/home/hf/work/mysql-4.1.5396

into deer.(none):/home/hf/work/mysql-4.1.4815

into mysql.com:/M41/mysql-4.1

into mysql.com:/home/jonas/src/mysql-4.1

missing prototyped problem (bug#5521).

into serg.mylan:/usr/home/serg/Abk/mysql-4.1

into mysql.com:/dbdata/psergey/mysql-4.1-bug-tina

into gw.mysql.r18.ru:/usr/home/ram/work/4.1.b5428

into mysql.com:/home/jonas/src/mysql-4.1

  Bug #5536: wrong server character set in "status" command
  More character set variables.

into gw.mysql.r18.ru:/usr/home/ram/work/4.1.b5428

into mysql.com:/home/jonas/src/mysql-4.1

Check g_ndb before deleting it
Wait until ready(10) if get mgm connection

 * Renamed handler::estimate_number_of_rows to handler::estimate_rows_upper_bound function, which can also return "unknown"
 * made filesort to use full sort buffer if number of rows to sort is not known.