add remotelink to support the /issue/{issuekey}/remotelink api

Author: itoche

lib/jira.js

@@ -600,6 +600,12 @@ var JiraApi = exports.JiraApi = function(protocol, host, port, username, passwor
         });
     };
 
+    /**
+     * Retrieves the remote links associated with the given issue.
+     *
+     * @param issueNumber - The internal id (not the issue key) of the issue
+     * @param callback
+     */
     this.remoteLink = function remoteLink(issueNumber, callback) {
 
         var options = {