Replaced the GPL’d images from the Ops Panel and the VMware Topology Provider. The
images are now based on the following icon sets:

Folder: features/vaadin-dashlets/dashlet-summary/src/main/resources/VAADIN/themes/dashboard/img/
  Icon set: Crystal Clear (http://commons.wikimedia.org/wiki/Crystal_Clear)
  License: LGPL

Folder: features/topology-map/themes/default-theme/src/main/java/VAADIN/themes/topo_default/images/
  Icon set: Nuvola (http://http://commons.wikimedia.org/wiki/Nuvola/all)
  License: LPGL