Fix bug in SHOW GRANTS when there is a column privilege but no table privilege


include/mysql.h:
  Make server_inited external
libmysqld/libmysqld.c:
  Remove reference to (wrong) external variable
mysql-test/r/grant.result:
  Fixed up grant test to not user 'user1' or 'user2'
  Check for bug in SHOW GRANTS when there is a column privilege but no table privilege
mysql-test/r/mix_innodb_myisam_binlog.result:
  Change to use tables t1 and t2
mysql-test/t/grant.test:
  Fixed up grant test to not user 'user1' or 'user2'
  Check for bug in SHOW GRANTS when there is a column privilege but no table privilege
mysql-test/t/mix_innodb_myisam_binlog.test:
  Change to use tables t1 and t2
sql/sql_acl.cc:
  Fix bug in SHOW GRANTS when there is a column privilege but no table privilege
sql/sql_parse.cc:
  Use HAVE_REPLICATION instead of EMBEDDED_LIBRARY