Common reorg (#8025)

* Re-organize common folder

* fix: Correct paths in tests

* fix: move new content to proper folder

* chore: Move audio folder to assets

* Move sprites to sprites assets directory

* Move css sprites to assets directory

* Split out readmes for common code and sprites

* Move images to assets directory

* Move destinatin of shared browserified file

* remove unused file

* move compiled js to client-old

* Fix karma tests

* fix: Correct paths for sprites

website/common/script/ops/deleteTask.js

@@ -0,0 +1,22 @@
+import i18n from '../i18n';
+import { NotFound } from '../libs/errors';
+import _ from 'lodash';
+
+// TODO used only in client, move there?
+
+module.exports = function deleteTask (user, req = {}) {
+  let tid = _.get(req, 'params.id');
+  let taskType = _.get(req, 'params.taskType');
+
+  let index = _.findIndex(user[`${taskType}s`], function findById (task) {
+    return task._id === tid;
+  });
+
+  if (index === -1) {
+    throw new NotFound(i18n.t('messageTaskNotFound', req.language));
+  }
+
+  user[`${taskType}s`].splice(index, 1);
+
+  return {};
+};