Support both :routing_key and :key in Bunny::Exchange#publish
Support both :routing_key and :key in Bunny::Exchange#publish

Per feedback from Chris

pressrelations/bunny,0xfaded/bunny,jafrog/bunny,0xfaded/bunny,bartj3/bunny,jafrog/bunny,teodor-pripoae/bunny,wconrad/bunny,pressrelations/bunny,teodor-pripoae/bunny,gferguson-gd/bunny,bartj3/bunny,wconrad/bunny,gferguson-gd/bunny