Ensure that install_test_db.sh script works with both 'make install' and 'make_binary_distribution' layouts
Abort if we can't allocate memory for table cache
Fix bug with multi-update-tables and BDB tables.


extra/replace.c:
  Fix comments
mysql-test/install_test_db.sh:
  Change internal option from -bin to --bin
  Ensure that script works with both 'make install' and 'make_binary_distribution' layouts (Bug #3031)
mysql-test/mysql-test-run.sh:
  Change internal option from -bin to --bin
sql/ha_berkeley.cc:
  More debug
sql/mysql_priv.h:
  Change table_cache_init to return error
sql/mysqld.cc:
  Abort if we can't allocate memory for table cache. (Bug #3085)
  Enable warnings by default
sql/sql_base.cc:
  Change table_cache_init to return error
sql/sql_update.cc:
  Fix bug with multi-update-tables and BDB tables. Bug #3098
  Problem was that we didn't initialize BDB for calls to rnd_pos()