Use new RSpec expectation syntax

This gem helped: https://github.com/yujinakayama/transpec

Also fixed a few Rubocop offenses
Update newrelic_rpm to version 3.8.1.221
Update passenger to version 4.0.45
Update pg_search to version 0.7.4
Update rails_config to version 0.4.2
Update rubocop to version 0.23.0
Fix Rubocop offenses.
Fix Rubocop Rails offenses.
Add rake task that runs rspec and rubocop --rails
Update database_cleaner to version 1.3.0
Update shoulda-matchers to version 2.6.1
Update capybara to version 2.3.0
Update rspec-rails version to 3.0.1 & update specs.

- Clean up and add more specs to models

- Replace attribute_normalizer with the much lighter auto_strip_attributes

- Make sure to strip all attributes that require it, and use the squish option
Merge pull request #172 from codeforamerica/upgrade-rspec

Update rspec-rails version to 3.0.1 & update specs.
Update grape-entity to version 0.4.3
Update geocoder to version 1.2.2
Update kaminari to version 0.16.1
Use script to store bundle on S3 for faster Travis runs

https://github.com/Fingertips/WAD
Merge pull request #173 from codeforamerica/cache-gems-for-travis

Use script to store bundle on S3 for faster Travis runs
Initial API refactor from Grape with passing specs