Use tabs for idents, small lint fixes

* make sure non-UP applications are shown at the top of the list  (closes #55)
* refinements for health-section
* remove-button for all apps
* fixed headers in details view

closes #49

Fixes #42

closes #35

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