Merge pull request #14 from untergeek/1.4.x

Work for 1.4.x being merged into master
enable automatically mapping logstash fields to riemann event fields.
Merge pull request #15 from bpezan/master

enable automatically mapping logstash fields to riemann event fields.
Merge pull request #18 from untergeek/1.4.x

Fix package building, version bump
Merge pull request #20 from untergeek/1.4.x

Use tmp path instead of build path for tmp files.
Retry logic for zeromq
Needed teardown implemented to cleanly close zmq socket
Merge pull request #23 from rtkmhart/zeromqfilter

Add retry logic to zeromq filter
Merge branch 'master' into 1.4.x