Log Message:
Update ruby-puma to 2.8.1.

=== 2.8.1 / 2014-03-06

* 1 bug fixes:
  * Run puma-wild with proper deps for prune_bundler

* 2 doc changes:
  * Described the configuration file finding behavior added in 2.8.0 and how to \ 
disable it.
  * Start the deployment doc

* 6 PRs merged:
  * Merge pull request #471 from arthurnn/fix_test
  * Merge pull request #485 from joneslee85/patch-9
  * Merge pull request #486 from joshwlewis/patch-1
  * Merge pull request #490 from tobinibot/patch-1
  * Merge pull request #491 from brianknight10/clarify-no-config

=== 2.8.0 / 2014-02-28

* 8 minor features:
  * Add ability to autoload a config file. Fixes #438
  * Add ability to detect and terminate hung workers. Fixes #333
  * Add booted_workers to stats response
  * Add config to customize the default error message
  * Add prune_bundler option
  * Add worker indexes, expose them via on_worker_boot. Fixes #440
  * Add pretty process name
  * Show the ruby version in use

* 7 bug fixes:
  * Added 408 status on timeout.
  * Be more hostile with sockets that write block. Fixes #449
  * Expect at_exit to exclusively remove the pidfile. Fixes #444
  * Expose latency and listen backlog via bind query. Fixes #370
  * JRuby raises IOError if the socket is there. Fixes #377
  * Process requests fairly. Fixes #406
  * Rescue SystemCallError as well. Fixes #425

* 4 doc changes:
  * Add 2.1.0 to the matrix
  * Add Code Climate badge to README
  * Create signals.md
  * Set the license to BSD. Fixes #432

* 14 PRs merged:
  * Merge pull request #428 from alexeyfrank/capistrano_default_hooks
  * Merge pull request #429 from namusyaka/revert-const_defined
  * Merge pull request #431 from mrb/master
  * Merge pull request #433 from alepore/process-name
  * Merge pull request #437 from ibrahima/master
  * Merge pull request #446 from sudara/master
  * Merge pull request #451 from pwiebe/status_408
  * Merge pull request #453 from joevandyk/patch-1
  * Merge pull request #470 from arthurnn/fix_458
  * Merge pull request #472 from rubencaro/master
  * Merge pull request #480 from jjb/docs-on-running-test-suite
  * Merge pull request #481 from schneems/master
  * Merge pull request #482 from prathamesh-sonpatki/signals-doc-cleanup
  * Merge pull request #483 from YotpoLtd/master

=== 2.7.1 / 2013-12-05

* 1 bug fix:

  * Keep STDOUT/STDERR the right mode. Fixes #422

=== 2.7.0 / 2013-12-03

* 1 minor feature:
  * Adding TTIN and TTOU to increment/decrement workers

* N bug fixes:
  * Always use our Process.daemon because it's not busted
  * Add capistrano restart failback to start.
  * Change position of `cd` so that rvm gemset is loaded
  * Clarify some platform specifics
  * Do not close the pipe sockets when retrying
  * Fix String#byteslice for Ruby 1.9.1, 1.9.2
  * Fix compatibility with 1.8.7.
  * Handle IOError closed stream in IO.select
  * Increase the max URI path length to 2048 chars from 1024 chars
  * Upstart jungle use config/puma.rb instead