Fixed problem with not freed thr_alarm() on slave connect
mysql-test/t/rpl_alter.test:
Changed name of created test database
sql/ha_innobase.cc:
Changed innobase_flush_log_at_trx_commit to be 1 as default
sql/mini_client.cc:
Fixed problem with not freed thr_alarm()
sql/mysqld.cc:
Allocate some extra thr_alarm slots just to be safe
sql/slave.cc:
Simple code cleanup