Working on forces. Center is now the most important, plus only visible nodes have a pull
Working on forces. Center is now the most important, plus only visible nodes have a pull

Signed-off-by: Kevin Kells <cc4476bfc99d84af6f3fb1b368c63e83d9a09832@gmail.com>

kennethkufluk/js-mindmap,f3r/js-mindmap,nbussman/js-mindmap,f3r/js-mindmap,potherca-contrib/js-mindmap