Recent changes to 10: copy/paste in the scene graph

Recent changes to 10: copy/paste in the scene graphhttps://sourceforge.net/p/nebula2d/tickets/10/2013-02-24T01:58:21.224000ZRecent changes to 10: copy/paste in the scene graphcopy/paste in the scene graph2013-02-24T01:58:21.224000Z2013-02-24T01:58:21.224000ZNebula2Dhttps://sourceforge.net/u/nebula2d/https://sourceforge.netb16878323171eb307bc3ed12a3e80b745117ad58

<div class="markdown_content"><p>Add copy/paste functionality to the scene graph.</p></div>