include cmake files in tarball
fix use of CMAKE_SYSTEM_PROCESSOR
Revert "fix use of CMAKE_SYSTEM_PROCESSOR"

This reverts commit e5baf1e05e696619cb4400db9c9324996ab1400c.
Merge pull request #718 from xantares/tarball_cmake

include cmake files in tarball
add missing msg->init for ROUTER_RAW with empty message
test zmq_msg_close after sending empty message on ROUTER_RAW
Merge pull request #721 from minrk/init-raw

add missing msg->init for ROUTER_RAW with empty message