Reconnection support for tornado_connection.
Reconnection support for tornado_connection.

Tarsbot/pika,Zephor5/pika,skftn/pika,benjamin9999/pika,fkarb/pika-python3,jstnlef/pika,hugoxia/pika,vitaly-krugl/pika,pika/pika,vrtsystems/pika,knowsis/pika,renshawbay/pika-python3,reddec/pika,shinji-s/pika,zixiliuyue/pika