Merge pull request #2279 from Pyrohh/modeline

[RDY] Small modeline cleanup

Merge pull request rabbitmq#36 from rabbitmq/rabbitmq-server-78

Test for the new x-death updates logic

Merge branch 'bug26545'

Merge bug26580

Merge bug26492

Merge bug26367

Merge bug26434

Merge bug26419

Added tag rabbitmq_v3_3_4 for changeset 0985a1f2fdf5

Added tag rabbitmq_v3_3_3 for changeset 2a5910a64153