Added javadoc to all visualisation project code. Refactored the NodeModel to accept null values for desiredParentid now.Refactored VisualisationPlugin to only create the menu at creation or modification
changed the .classpath file of the remote project. The test dir was in the build path, but because it's empty, git won't add it. New users would get buildpath problems because of the missing test dir.
Merge branch 'development' of https://github.com/flexiblepower/powermatcher into development_thijl
merged development, removed unused imports and formatted code
Merge pull request #162 from flexiblepower/development_thijl

Development thijl