change the ELBOW_ROOM constant to be appriopriate for smaller icons
Remove refresh timer and add selection to NCS Component search provider
Added first pass at support for collapsing categories into a single vertex.
[bamboo] Automated branch merge (from space/13.2:6e44987a210c942d3a54c9fd8e0482ed2d3e5272)
Merge branch 'master' of git://github.com/OpenNMS/opennms

# By Donald Desloge (1) and others
# Via Atlassian Bamboo (1) and Seth Leger (1)
* 'master' of git://github.com/OpenNMS/opennms:
  Added first pass at support for collapsing categories into a single vertex.
  Remove refresh timer and add selection to NCS Component search provider
  change the ELBOW_ROOM constant to be appriopriate for smaller icons