Fix spectator gauge double counting

Merge pull request #19 from Netflix/bugfix/unregister_old_guage

bugfix: unregister old gauge

Vegas smoothing

Merge pull request #18 from Netflix/feature/gradient_algo

Add smoothing to Vegas

Gradient limit algorithm

Merge pull request #17 from Netflix/feature/gradient_algo

Gradient based algorithm to detect the concurrency limit

Improve Vegas algorithm rate of convergence

Merge pull request #16 from Netflix/feature/alpha_beta_percentage

Improved Vegas limit growth

Expose configuring the DefaultLimiter

Merge pull request #15 from Netflix/feature/tolerance

Expose configuring the DefaultLimiter

Tolerance level for min rtt changes

Merge pull request #14 from Netflix/feature/tolerance

Introduce tolerance for min rtt changes

Fast start

Merge pull request #13 from Netflix/feature/fast_start

Feature: fast start

Spectator gauge fix

Merge pull request #12 from Netflix/bugfix/spectator_gauge

Fix spectator gauge

Spectator integration cleanup

Merge pull request #11 from elandau/feature/spectator_id

Misc cleanup of spectator metrics reporting

Support shared tags in SpectatorMetricRegistry

Merge pull request #10 from elandau/feature/spectator_id

Use Id for spectator baseId so it may include tags