* package: byline is only a dev dependency (Sam Roberts)
 * package: update async to 2.x (Sam Roberts)
 * package: update byline to 5.x (Sam Roberts)
 * package: update lodash to 4.x (Sam Roberts)
 * capabilities: remove dead code (Sam Roberts)
 * Replace strong-agent with appmetrics (T. Corbin)
 * Remove debug() stack trace when debugger missing (Sam Roberts)
 * test: use sleep instead of try-thread-sleep (Sam Roberts)
 * agent-trace: remove, it was never used (Sam Roberts)
 * Use strict in the test code (Sam Roberts)
 * Add 'use strict' to files (Kevin Delisle)
 * Update URLs in CONTRIBUTING.md (#196) (Ryan Graham)
 * test: remove unnecessary dependency on loopback@1 (Sam Roberts)
 * package: update tap to 6.x (Sam Roberts)
 * Remove startup variations related to StrongOps (Sam Roberts)
 * usage: copy edit description of start script use (Sam Roberts)
 * Remove support for running unclustered (Sam Roberts)
 * options: cluster default always CPU (Sam Roberts)
 * test: refactor supervisor test to tap (Sam Roberts)
 * test: rework printf-replacer mocha test to tap (Sam Roberts)
 * test: remove metrics, it no longer applies (Sam Roberts)
 * test: refactor pidfile mocha test to tap (Sam Roberts)
 * test: refactor expander mocha test to tap (Sam Roberts)
 * test: refactor chdir mocha test to tap (Sam Roberts)
 * test: run tests until done, not first failure (Sam Roberts)
 * package: update tap to 5.x (Sam Roberts)
 * update copyright notices and license (Ryan Graham)