Merge pull request #1 from DAINTINESS-Group/master

add licence
rearange click listeners

HecataeusModalGraphMouse add listeners for button 1 and button 3
HecataeusPolicyManagerGUI fixed bug with nodes without patera node
add right click menu
new tabs
test layout
New evatest layout
NEW LAYOUT
update missing fungctions from hecataeus
add new circle layout
error corection
node-edge colors
useless visualisations
new clustered layout
 clustered layout listener
test
Clusters
....
cluster preparation
visualize clusters
Fixed clustering algo
fixed node type bug
Clustered layout editing