use current Dist::Zilla plugins
make Changes CPAN::Changes::Spec compliant and ensure it stays that way

my using Dist::Zilla::Plugin::Test::CPAN::Changes
fix end_to_end.t test failure with Test::Net::RabbitMQ >= 0.07
use Net::AMQP::RabbitMQ instead of the unmaintained Net::RabbitMQ
reformat pod to max 78 chars per line + doc fix for 'exchange'
use Dist::Zilla::PluginBundle::Basic
generate CPAN::Changes::Spec compliant version line
fix exchange_type docs regarding default value
Merge branch 'abraxxa-master'
adding plugins for automating releases.