But make no use of it.

fixes #96

closes #69

This allows to (re-)set properties via POST-requests to the environment endpoint.

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

* 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