Altered JSON invocation of JMX methods to support the following change implemented in Jolokia Release 0.91 (http://www.jolokia.org/changes-report.html):

Fixed issue with overloaded methods where one variant takes no arguments. This no-arg variant can be specified with the signature "()" after the operation name.

using Gulp & Browserify
with a little help from https://blog.codecentric.de/en/2014/08/angularjs-browserify