Log Message:
Update ruby-puma to 2.13.4.

=== 2.13.4 / 2015-08-16

* 1 bug fix:
  * Use the environment possible set by the config early and from
    the config file later (if set).

=== 2.13.3 / 2015-08-15

Seriously, I need to revamp config with tests.

* 1 bug fix:
  * Fix preserving options before cleaning for state. Fixes #769

=== 2.13.2 / 2015-08-15

The "clearly I don't have enough tests for the config" release.

* 1 bug fix:
  * Fix another place binds wasn't initialized. Fixes #767

=== 2.13.1 / 2015-08-15

* 2 bug fixes:
  * Fix binds being masked in config files. Fixes #765
  * Use options from the config file properly in pumactl. Fixes #764

=== 2.13.0 / 2015-08-14

* 1 minor feature:
  * Add before_fork hooks option.

* 3 bug fixes:
  * Check for OPENSSL_NO_ECDH before using ECDH
  * Eliminate logging overhead from JRuby SSL
  * Prefer cli options over config file ones. Fixes #669

* 1 deprecation:
  * Add deprecation warning to capistrano.rb. Fixes #673

* 4 PRs merged:
  * Merge pull request #668 from kcollignon/patch-1
  * Merge pull request #754 from nathansamson/before_boot
  * Merge pull request #759 from BenV/fix-centos6-build
  * Merge pull request #761 from looker/no-log

=== 2.12.3 / 2015-08-03

* 8 minor bugs fixed:
  * Fix Capistrano 'uninitialized constant Puma' error.
  * Fix some ancient and incorrect error handling code
  * Fix uninitialized constant error
  * Remove toplevel rack interspection, require rack on load instead
  * Skip empty parts when chunking
  * Switch from inject to each in config_ru_binds iteration
  * Wrap SSLv3 spec in version guard.
  * ruby 1.8.7 compatibility patches

* 4 PRs merged:
  * Merge pull request #742 from deivid-rodriguez/fix_missing_require
  * Merge pull request #743 from matthewd/skip-empty-chunks
  * Merge pull request #749 from huacnlee/fix-cap-uninitialized-puma-error
  * Merge pull request #751 from costi/compat_1_8_7

* 1 test fix:
  * Add 1.8.7, rbx-1 (allow failures) to Travis.

=== 2.12.2 / 2015-07-17

* 2 bug fix:
  * Pull over and use Rack::URLMap. Fixes #741
  * Stub out peercert on JRuby for now. Fixes #739

=== 2.12.1 / 2015-07-16

* 2 bug fixes:
  * Use a constant format. Fixes #737
  * Use strerror for Windows sake. Fixes #733

* 1 doc change:
  * typo fix: occured -> occurred

* 1 PR merged:
  * Merge pull request #736 from paulanunda/paulanunda/typo-fix

=== 2.12.0 / 2015-07-14

* 13 bug fixes:
  * Add thread reaping to thread pool
  * Do not automatically use chunked responses when hijacked
  * Do not suppress Content-Length on partial hijack
  * Don't allow any exceptions to terminate a thread
  * Handle ENOTCONN client disconnects when setting REMOTE_ADDR
  * Handle very early exit of cluster mode. Fixes #722
  * Install rack when running tests on travis to use rack/lint
  * Make puma -v and -h return success exit code
  * Make pumactl load config/puma.rb by default
  * Pass options from pumactl properly when pruning. Fixes #694
  * Remove rack dependency. Fixes #705
  * Remove the default Content-Type: text/plain
  * Add Client Side Certificate Auth

* 8 doc/test changes:
  * Added example sourcing of environment vars
  * Added tests for bind configuration on rackup file
  * Fix example config text
  * Update DEPLOYMENT.md
  * Update Readme with example of custom error handler
  * ci: Improve Travis settings
  * ci: Start running tests against JRuby 9k on Travis
  * ci: Convert to container infrastructure for travisci

* 2 ops changes:
  * Check for system-wide rbenv
  * capistrano: Add additional env when start rails

* 16 PRs merged:
  * Merge pull request #686 from jjb/patch-2
  * Merge pull request #693 from rob-murray/update-example-config
  * Merge pull request #697 from spk/tests-bind-on-rackup-file
  * Merge pull request #699 from deees/fix/require_rack_builder
  * Merge pull request #701 from deepj/master
  * Merge pull request #702 from Jimdo/thread-reaping
  * Merge pull request #703 from deepj/travis
  * Merge pull request #704 from grega/master
  * Merge pull request #709 from lian/master
  * Merge pull request #711 from julik/master
  * Merge pull request #712 from yakara-ltd/pumactl-default-config
  * Merge pull request #715 from RobotJiang/master
  * Merge pull request #725 from rwz/master
  * Merge pull request #726 from strenuus/handle-client-disconnect
  * Merge pull request #729 from allaire/patch-1
  * Merge pull request #730 from iamjarvo/container-infrastructure