add tag task and varioius cleanup

lib/tasks/tag.js

@@ -0,0 +1,19 @@
+const Task = require('./task');
+const {TaskName} = require('../utils/constants');
+
+class TaskTag extends Task {
+  constructor(logger, opts) {
+    super(logger, opts);
+    this.data = this.data.data;
+  }
+
+  get name() { return TaskName.Tag; }
+
+  async exec(cs) {
+    super.exec(cs);
+    cs.callInfo.customerData = this.data;
+    this.logger.debug({customerData: cs.callInfo.customerData}, 'TaskTag:exec set customer data');
+  }
+}
+
+module.exports = TaskTag;