Open the browser after starting the test interface
Merge pull request #24 from 25-ventures/feature/open-browser-test-interface

Open the browser after starting the test interface
Ignore the test interface config.yml in Git

Move the current one to config.yml.example
Merge pull request #25 from 25-ventures/feature/ignore-config-yml

Ignore the test interface config.yml in Git
Set up the OAuth environment variables correctly
Call the service through the class interface

Calling the instance directly does not properly translate symbol hash
keys to strings.

In the case of Google Analytics this meant the token was empty,
resulting in an OAuth error.
Update Gemfile.lock
Remove focus in GA spec
Adjust the GA OAuth code so it will work with TrepScore

- The ENV variables we need have a different name.
- Pass the token into the Client and get the access_token from there,
  rather than setting up the access_token in the top-level Service
  subclass.
- The scope and redirect_uri params are not needed when setting up the
  authorize URL.
Raise a config error for bad accounts and profiles
Map the GA results to the names we expect
Guard now seems to require the cmd for rspec