Added IDEA project files to .gitignore
Removed unused variable
Fix `prefixStats` global variable leaking

`prefixStats` is leaked through stats.js and was in global scope of event emitter without failing graphite backend by pure accident.
Now it is read from config.
Removed unused parameter
bumping for v0.7.2 patch release

Let's see if travis will upload a release to npm for us.
Merge pull request #437 from anton-rudeshko/fix-global-leaking

Fix global leaking of prefixStats
fix typo in Gauges section
Convert listen server to loadable module, defaulting to udp
Add tcp loadable server module
Represent remote address in tcp server rinfo, not local
Rename server init to 'start' to reflect reality
Add basic test for each of udp and tcp server module
Update docs and example config to reflect new tcp server option
Add brief docs around server callback function sig
Merge pull request #448 from benburry/tcp_server

Add optional TCP interface
Add servers directory to debian package
Merge pull request #449 from matthewshafer/add_servers_to_debian_package

Add servers/*.js to debian package
Buffer incoming tcp data until we receive a complete metric
Initialise tcp buffer to empty string
Add crude test for input buffering on tcp server