dded init of variable to fix core dump on startup errors


mysql-test/Makefile.am:
  Added transformation of socket address for mysql-test-run
mysql-test/mysql-test-run.sh:
  Added option --socket
sql/derror.cc:
  Removed compiler warning
sql/mysql_priv.h:
  Moved assert up to be able to use asserts in other header files
sql/mysqld.cc:
  Fixed comment
sql/sql_bitmap.h:
  Added copyright notice
  Removed not needed header files
sql/sql_class.cc:
  Added init of variable to fix core dump on startup errors
sql/sql_test.cc:
  Fixed compiler errors (from key_map code)
BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted