add basic acceptance test for tags. Linting.

app/adapters/application.js

app/components/automates/add.js

app/components/button/cancel.js

app/components/button/link.hbs

app/components/button/new.js

app/components/button/submit.js

app/components/group/new.js

app/components/group/table_row.js

app/components/permission.js

app/components/permissions/index.js

app/components/role/add.js

app/components/select/index.js

app/components/tag/new.js

app/components/tag/table_row.hbs

app/components/tag/table_row.js

app/helpers/is_equal.js

app/models/automate.js

app/models/content_type.js

app/models/group.js

app/models/node.js