Add warning banners to legacy services (#2546)

services/amo/amo.service.js

services/bintray/bintray.service.js

services/bitrise/bitrise.service.js

services/bower/bower-license.service.js

services/bower/bower-version.service.js

services/bugzilla/bugzilla.service.js

services/buildkite/buildkite.service.js

services/bundlephobia/bundlephobia.service.js

services/chrome-web-store/chrome-web-store.service.js

services/cocoapods/cocoapods-apps.service.js

services/cocoapods/cocoapods-downloads.service.js

services/cocoapods/cocoapods-metrics.service.js

services/cocoapods/cocoapods.service.js

services/codeclimate/codeclimate.service.js

services/codecov/codecov.service.js

services/codeship/codeship.service.js

services/continuousphp/continuousphp.service.js

services/cookbook/cookbook.service.js

services/coveralls/coveralls.service.js

services/coverity/coverity-on-demand.service.js