Only use AMQP heartbeats on linux (#383)
Only use AMQP heartbeats on linux (#383)

AMQP heartbeats cannot be used on windows, disabled in
https://github.com/celery/kombu/issues/133
cloudify-cosmo/cloudify-plugins-common,cloudify-cosmo/cloudify-plugins-common,cloudify-cosmo/cloudify-plugins-common