move bdb/innodb tests to right places


mysql-test/r/bdb.result:
  Update results after test changes
mysql-test/r/innodb.result:
  Update results after test changes
mysql-test/r/multi_update.result:
  Update results after test changes
mysql-test/t/bdb.test:
  Move bdb tests here
mysql-test/t/innodb.test:
  Move innodb test here
mysql-test/t/multi_update.test:
  move bdb/innodb tests to repective test
sql/mysqld.cc:
  Allow space in service names