BUILD/SETUP.sh:
  Add possibility for BUILD scripts to add error inject flag
BUILD/compile-pentium-debug-max:
  Add error inject flag to this script
configure.in:
  Add handling of --with-error-inject in configure script
sql/ha_ndbcluster.cc:
  Add possibility to rename handler file
sql/ha_ndbcluster.h:
  Add possibility to rename handler file
sql/ha_partition.cc:
  Add possibility to rename handler file
sql/ha_partition.h:
  Add possibility to rename handler file
sql/handler.h:
  Add possibility to rename handler file
sql/mysql_priv.h:
  Add error inject macros
sql/mysqld.cc:
  Add error inject system variables
sql/set_var.cc:
  Add error inject system variables
sql/sql_class.h:
  Add error inject system variables
sql/sql_table.cc:
  Start modifying code for introducing table log, Step 1
sql/unireg.cc:
  Add rename flag to handler file call
sql/sql_partition.cc:
  Changes to ADD/DROP/CHANGE partitions