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