* fix 'pmctl log-dump --follow' option parsing (Ryan Graham)

 * test: use queued async helper for pmctl-local (Ryan Graham)

 * test: make helper-async fully async (Ryan Graham)

 * feature: pmctl log-dump command to dump logs (Ryan Graham)

 * feature: store recent log entries in memory (Ryan Graham)

 * test: use mktmpdir in pm tests (Ryan Graham)

 * docs: update command usage text (Ryan Graham)

 * test: add additional git push tests (Ryan Graham)

 * Add support for HTTP authentication (Ryan Graham)

 * Fix metrics process id assignment (Krishna Raman)