upgrade sinatra
use puma as the web server now
remove Config.port
don't use Rack::Timeout when testing
Umpire::Log: go silent when testing
spec/umpire/web_spec.rb: remove that silly module wrapper around test
remove restclient, wip
remove instruments gem, seems to no longer work with current excon/sinatra
adjust specs to only require spec_helper
Umpire::LibratoMetrics: specify excon faraday adapter
upgrade librato-metrics gem
add instrumentation to all excon calls
upgrade scrolls gem
simplify logging in Umpire::Web#check by using Scrolls.context
Umpire::Web: add request_id to the global context during the action so that all actions associated with a hit get it as well
upgrade rspec
update rake and yajl-ruby
add Umpire::Config.app
Umpire::Web#check: add request_id to all the responses
update Readme w/ APP env var info