added .reset method to clear out configuration
DRY this up, call setup inside fetch
refactored interface and deprecated old methods
switch to airbrake.io
massive refactor, now using faraday
Merge pull request #15 from grosser/master

fight errors with errors that raise errors
bump to version 3.2.3
ditch core extensions
dry up error handling, based on 2c8daf362c2b5613d609e088dff03ab8b4f5bb32
allow custom adapter and user agents
a bit of client cleanup
move null handling into middleware
reset values when you extend Configuration
allow failures on rubinius
don't run code coverage in CI
let connection options be configurable
cleanse the fixture
consolidated notices to a single method
Changed Airbrake URL.
Updated the specs to use the new Airbrake API url.