Add HTTP input plugin
make msgpack truly optional
check for @message in addition to message in validity of parsed json
change default file input encoding to utf8
support http_post output through a http/https proxy via the 'tunnel' module
support base64 proxy auth to hide the username and password when a proxy requires authentication (e.g. proxy=http://AsxxRSsCcdx==@proxy.com:8080)
update Readme for proxy configuration of http_post
handle proxying to http (non-https) servers correctly
Merge https://github.com/bpaquet/node-logstash
Fix merging from bpaquet/node-logstash
Fix merging from bpaquet/node-logstash
Fix merging from bpaquet/node-logstash
Merge remote-tracking branch 'capriza/master'

Conflicts:
	package.json
Split integration tests