implementation for touch gesture for box (drag) selection
implementation for touch gesture for box (drag) selection

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