* Add travis to run JS & CSS linting, JS tests, and PHPUnit tests
* Move API initiation out of the gutenberg/files check
So that php tests run without having to build the JS files
* Add very basic product endpoint tests
* Fix stylelint issues in CSS
* Remove e2e setup, replace with dependency setup
* Add missing install step
* Remove cache for now
* Add specific `har-validator` dependency because v 5.1.2 has disappeared
* Only run npm install for the JS test job
* Check for installed plugins
* Update install location
* Fix typo in plugin name
* Check the BRANCH variable, rather than TRAVIS_PULL_REQUEST_BRANCH, which is only set on PR runs
* Remove debug command
* A change to trigger CI
* Set the expected node & npm versions
* Remove copy-pasted command, does not apply
* Add a second block, for “products by category”
* Fetch products in the given category, when attributes change
* Display the resulting products
* Style the product preview
* Create utils folder, move shared attributes
* Move getQuery to shared utils folder
* Create a helper function to get the shortcode string
* Support the menu_order setting
* Support center/wide/full alignment
* Update PropTypes
* Add tests
* Add text domain to translation functions
* Add eslint configuration
* Run eslint auto-fixer to cover fixable issues
* Use wp.element’s component to prevent undefined React error
* Add products data global to eslint config
* Fix remaining eslint errors by hand
* Fix eslint errors in webpack
* Remove duplicate rule
* Add api-fetch dependency
* Remove compiled files from the repo
* Update build process, remove grunt
* Import CSS into block, as we now extract CSS via webpack to build
* Update enqueue scripts to reflect new build locations
* Detect if build files don’t exist, and instruct users to build project
* Update readme with build instructions
* Clarify where to run npm commands in info notice
* Only enqueue our JS files if we know they exist
* Clarify version compatibility between WC and WP 5.0