HA_EXTRA_WRITE_CACHE now part of start_bulk_insert()
test cleanups


BitKeeper/deleted/.del-repair_part2-master.sh~f44a8c15d6c36585:
  Delete: mysql-test/t/repair_part2-master.sh
BitKeeper/deleted/.del-repair_part2.test~c20f60783b04d001:
  Delete: mysql-test/t/repair_part2.test
BitKeeper/deleted/.del-repair_part2.result~72ca166fb248b566:
  Delete: mysql-test/r/repair_part2.result
mysql-test/r/myisam.result:
  updated
mysql-test/t/lowercase_table2.test:
  typo fixed
mysql-test/r/repair.result:
  single repair.test from repair_part[12].test
mysql-test/t/lowercase_table3.test:
  typo fixed
mysql-test/t/lowercase_table_qcache.test:
  newline added
mysql-test/t/myisam.test:
  updated
mysql-test/t/repair.test:
  single repair.test from repair_part[12].test
sql/field.cc:
  reverted
sql/field.h:
  style fix
sql/ha_myisam.cc:
  add HA_EXTRA_WRITE_CACHE to start_bulk_insert
sql/sql_insert.cc:
  add HA_EXTRA_WRITE_CACHE to start_bulk_insert
sql/sql_load.cc:
  add HA_EXTRA_WRITE_CACHE to start_bulk_insert
sql/sql_table.cc:
  add HA_EXTRA_WRITE_CACHE to start_bulk_insert