update readme and composer.json for ext-amqp usage
add persistent connection class and update connection factory
remove abstract amqp class
update ConnectionAbstractServiceFactory to work with humus amqp
refactoring for ext-amqp
update tests
update abstract service factory
update all pluginmanagers
new exception classes
add delivery mode and exchange type enums
add specs and options classes
update composer.json
update module config
add new abstract consumer, refactoring
update new autoload classmap
delete connection extension and abstract connection aware service factory
refine abstract amqp abstract service factory and update dependencies
refactor towards callback manager aware trait
remove anon consumer abstract service factory, add phpdoc
remove exchange abstract service factory