(mysql-multimaster) fix db-id and release connections when creating table
mysql container spawners return container instead of remover fun
Merge branch 'mysql-docker-spawner' into mysql-multimaster

Conflicts:
	test/docker/containers.js
Merge branch 'mysql-multimaster' of github.com:meetings/gearman-delayed-task into mysql-multimaster

Conflicts:
	test/unit/mysql-multimaster-test.js
removed pending test for first_run