Change iotagent-node-lib to version 4.14.0

Updated iotagent-node-lib dependency from a GitHub URL to a specific version.

Author: fgalan

package.json

@@ -68,7 +68,7 @@
     "body-parser-xml": "2.0.5",
     "dateformat": "3.0.3",
     "express": "4.22.1",
-    "iotagent-node-lib": "https://github.com/telefonicaid/iotagent-node-lib.git#master",
+    "iotagent-node-lib": "4.14.0",
     "logops": "2.1.2",
     "mqtt": "5.13.0",
     "sinon": "~6.1.0",