Remove extra Object.keys check in the timer_data loop
Merge pull request #255 from etsy/optimize-graphiteBackend

Remove extra Object.keys check in the timer_data loop
Add support for gauge deltas.

* Add tests for gauges and new gauge deltas.
* Add support for +/- prefix for gauge values to support modifying
  gauge values in-place.
Remove numStats asserts.
Merge pull request #72 from jsocol/modify-gauge

Add support for gauge deltas.
Update readme with gauge delta info.
Merge pull request #256 from jsocol/gauge-readme

Update readme with gauge delta info.
remove duplicate code, and fix global leak
pulled out the wrong set
Merge pull request #257 from etsy/optimize-graphiteBackend-more

remove duplicate code, and fix global leak
Just join once.
OCD
Logging is for debug mode
Merge pull request #258 from etsy/optimizations

More graphite backend Optimizations
only split the packet if we need to
a little cleanup and reduce the trim calls
Merge pull request #261 from etsy/pet_jslint

a little cleanup and reduce the trim calls
Initial Doc Split starting point
Fix link layout slightly
Remove debugInterval in favor of console backend