amqp.h should include amqp_framing.h at the bottom
amqp.h should include amqp_framing.h at the bottom

Lessen the requirement on developers to #include multiple related files

tempbottle/rabbitmq-c,jasonmsoft/rabbitmq-c,jasonmsoft/rabbitmq-c,jqk6/rabbitmq-c,Haster2004/rabbitmq-c,hjzljp/rabbitmq-c,hjzljp/rabbitmq-c,jqk6/rabbitmq-c,Haster2004/rabbitmq-c,jasonmsoft/rabbitmq-c,kilinrax/rabbitmq-c,soindy/rabbitmq-c,tempbottle/rabbitmq-c,tempbottle/rabbitmq-c,hjzljp/rabbitmq-c,tempbottle/rabbitmq-c,jasonmsoft/rabbitmq-c,chenwenbin928/rabbitmq-c,kilinrax/rabbitmq-c,alanxz/rabbitmq-c,chenwenbin928/rabbitmq-c,jqk6/rabbitmq-c,hjzljp/rabbitmq-c,sakishum/rabbitmq-c,alanxz/rabbitmq-c,soindy/rabbitmq-c,sakishum/rabbitmq-c,sakishum/rabbitmq-c,kilinrax/rabbitmq-c,soindy/rabbitmq-c,Haster2004/rabbitmq-c,alanxz/rabbitmq-c,chenwenbin928/rabbitmq-c,jqk6/rabbitmq-c