Abstract AMQP client, consumer, channel #4172

Job	Run time
Lint javascript	14s
Lint check	1m 4s
Format check	19s
Compile LavinMQ	1m 2s
Spec FreeBSD	3m 29s
Lint OpenAPI	16s
Filters for fronted specs	10s
Spec	2m 28s
Spec OS X	6h 0m 14s
Test in release mode	15s
Bunny client test	2m 26s
RabbitMQ java client test	4m 24s
RabbitMQ HTTP API Go client test	57s
RabbitMQ HTTP API Ruby client test	46s
Fronted specs	0s
	6h 18m 4s

Provide feedback