add the hidden/ghost behaviour:
- The view hide or show the nodes calling their functions hide() or show(ghost).
- The node and the edges have the attributes 'hidden' and 'ghost' to properly redraw them selves.
<li class="Rk-Bin-Item Rk-ResourceList-Item" draggable="true"
data-uri="<%-url%>" data-title="<%-title%>"
data-description="<%-description%>"
<% if (image) { %>
data-image="<%- Rkns.Utils.getFullURL(image) %>"
<% } else { %>
data-image=""
<% } %>
><% if (image) { %>
<img class="Rk-ResourceList-Image" src="<%-image%>" />
<% } %>
<h4 class="Rk-ResourceList-Title">
<% if (url) { %>
<a href="<%-url%>" target="_blank">
<% } %>
<%=htitle%>
<% if (url) { %></a><% } %>
</h4>
<% if (description) { %>
<p class="Rk-ResourceList-Description"><%=hdescription%></p>
<% } %>
<% if (image) { %>
<div style="clear: both;"></div>
<% } %>
</li>