Cleanup old comments tab

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/services/GetComments.js

apps/comments/src/style/autocomplete.scss

apps/comments/src/style/comments.scss

apps/comments/src/templates/comment.handlebars

apps/comments/src/templates/commentsmodifymenu.handlebars

apps/comments/src/templates/edit_comment.handlebars

apps/comments/src/templates/view.handlebars

apps/comments/src/vendor/At.js/dist/js/jquery.atwho.min.js

apps/comments/src/vendor/Caret.js/dist/jquery.caret.min.js

apps/comments/tests/js/commentscollectionSpec.js

apps/comments/tests/js/commentstabviewSpec.js