Request.absoluteUri updated to use correct protocol.
Request.absoluteUri updated to use correct protocol.

Request.absoluteUri used this.secure to determine if the protocol should
be https or http, but this.secure doesn't exist anymore.
Switched to calling this.isSecure() to check if the connection is secure.

gergelyke/node-restify,kusor/node-restify,mcavage/node-restify,hekike/node-restify,restify/node-restify,myroid/node-restify,myroid/node-restify,restify/node-restify