NETWORK CREATOR UPDATE
new: added menu bar
new: it is now possible to generate networks in runtime
new: hex grid generator now takes an extra boolean parameter that determines whether to add some extra connections on the sides
new: it is now possible to get text representation of a network without nodes' positions
bugfix: it was occasionally not possible to delete a node on double right click due to a popup showing up on single right click - it has been hopefully fixed now
bugfix: it was possible to connect two nodes more than once - it has been fixed now
bugfix: it is no longer possible to create a ring network with 1 or 2 nodes - the minimum has been set to 3
bugfix: a position of a pointer on a drawable pane is now calculated more precisely