convert all shoulds and stubs to expects, matching rspec 3 style
Require Napa::StatsDTimer
Napa::StatsDTimer spec
Merge pull request #112 from umtrey/rspec-should-depreciation-fix

convert all shoulds and stubs to expects, matching rspec 3 style
Merge pull request #124 from danielmackey/require-statsdtimer

Require Napa::StatsDTimer