Merge pull request #13159 from edx/bjacobel/jshint-directives-to-eslint

.eslintrc.json

cms/static/cms/js/main.js

cms/static/cms/js/require-config.js

cms/static/cms/js/spec/main.js

cms/static/cms/js/spec/main_spec.js

cms/static/cms/js/spec/main_squire.js

cms/static/js/certificates/collections/certificates.js

cms/static/js/certificates/collections/signatories.js

...ic/js/certificates/factories/certificates_page_factory.js

cms/static/js/certificates/models/signatory.js

cms/static/js/certificates/spec/custom_matchers.js

cms/static/js/certificates/spec/models/certificate_spec.js

...ic/js/certificates/spec/views/certificate_details_spec.js

...tic/js/certificates/spec/views/certificate_editor_spec.js

...ic/js/certificates/spec/views/certificate_preview_spec.js

...atic/js/certificates/spec/views/certificates_list_spec.js

cms/static/js/certificates/views/certificate_details.js

cms/static/js/certificates/views/certificate_editor.js

cms/static/js/certificates/views/certificate_item.js

cms/static/js/certificates/views/certificate_preview.js