Added methods to calculate node perimeter based on edge width, distance between tip of arrow shape, endpoint of edge, and perimeter of target node now adjustable.
Added methods to calculate node perimeter based on edge width, distance between tip of arrow shape, endpoint of edge, and perimeter of target node now adjustable.

soomin-maeng/cytoscape.js,cytoscape/cytoscape.js,rlugojr/cytoscape.js,KonstantinShemyak/cytoscape.js,soomin-maeng/cytoscape.js,cytoscape/cytoscape.js,rlugojr/cytoscape.js,KonstantinShemyak/cytoscape.js