Move comments to webpack

.gitattributes

apps/comments/.l10nignore

apps/comments/js/comments.js

apps/comments/js/comments.js.map

apps/comments/js/merged.json

apps/comments/lib/AppInfo/Application.php

apps/comments/src/activitytabviewplugin.js

apps/comments/src/app.js

apps/comments/src/commentcollection.js

apps/comments/src/commentmodel.js

apps/comments/src/comments.js

apps/comments/src/commentsmodifymenu.js

apps/comments/src/commentstabview.js

apps/comments/src/commentsummarymodel.js

apps/comments/src/filesplugin.js

apps/comments/src/search.js

apps/comments/src/style/autocomplete.scss

apps/comments/src/style/comments.scss

apps/comments/src/templates.js

apps/comments/src/templates/comment.handlebars