* Do not default the format in ProviderDiscovery
The format should be determined when discovering, as it is in the current
implementation, and it is a flaw if it is not determined.
* Spec ProviderDiscovery
* Add failing specs for hashtag and username extraction in language detector
* Remove usernames and hashtags from text before language detection
* Handle multiple instances of special case, and reduce whitespace
* Move specs for account finder methods to concern spec
* Move account finder methods to concern
* Improve spec wording
* Use more explicit comparison to ensure correct return value
* Add coverage for .find_local! and .find_remote!
* Add some methods to the finder
* Use arel on matching_username method
* Avoid ternary in matching domain method
* Simplify finder methods
* Use an AccountFinder class to simplify lookup
* Update autoprefixer to version 7.1.0
* Update axios to version 0.16.1
* Update babel-cli to version 6.24.1
* Update babel-eslint to version 7.2.3
* Update babel-preset-react to version 6.24.1
* Update coffee-script to version 1.12.6
* Update css-loader to version 0.28.1
* Update express to version 4.15.2
* Update js-yaml to version 3.8.4
* Update mocha to version 3.4.1
* Update jsdom to version 10.1.0
* Update npmlog to version 4.1.0
* Update postcss-smart-import to version 0.7.0
* Update postcss-loader to version 2.0.5
* Update pg to version 6.1.5
* Update prop-types to version 15.5.10
* Update rails-ujs to version 5.1.1
* Update redis to version 2.7.1
* Update sass-loader to version 6.0.5
* Update stringz to version 0.2.0
* Update webpack to version 2.5.1
* Update style-loader to version 0.17.0
* Update sinon to version 2.2.0
* Update react-motion to version 0.5.0
* Update react-notification to version 6.7.0
* Update react-redux-loading-bar to version 2.9.0
* Update react-intl to version 2.3.0
* Update redux-immutable to version 4.0.0
* Update reselect to version 3.0.1
* Update react-toggle to version 3.0.1
* Update react-simple-dropdown to version 3.0.0
* Update react-router to version 3.0.5
* Update react-router-scroll to version 0.4.2
* Update react-toggle to version 4.0.1
* yarn upgrade
Akihiko Odaki (@fn_aki@pawoo.net)