Chrome dosesn't send parallel requests for the same url. To circumvent that
behavior add a dummy request-parameter to the event-stream url. Otherwise
the journal section shows no content on chrome while doing the sse long polling

When an empty application list was initially returned the events wasn't  pushed
into the applications array, because the Applications.query returned no array.
This issue made a page refresh necessary.

The polling in the UI is replaced with server side events. Status changes are
now reported immediately from the admin server to the UI.

Added a simple event journal, jorunaling all ClientApplicationEvents using a simple, non-persistent store. So all information is lost after restart. Added corresponding view to UI.

Activiti spring boot starter exposes the /activiti endpoint which is now exposed in the admin ui. See https://spring.io/blog/2015/03/08/getting-started-with-activiti-and-spring-boot for further details on creating a client

Use tabs for idents, small lint fixes

closes #35

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