add extra shape draw for pie s.t. darkness & border apply properly w/ pie speed enhancement; fixes #448
add extra shape draw for pie s.t. darkness & border apply properly w/ pie speed enhancement; fixes #448

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