Query / Visualization Support

[yilinxia]

We need support multiple graphs which can be generated by XRAY tool

using wild animals for the following visualizations

• fdp
• fdp, with extension
• dot
• dot, with extension
• dot, with extension + layer (length)
  • add edge color, style
  • add edge label
  • add arrow style
• potential prov: dot, with highlighted nodes, layered
• actual prov: dot, with highlighted nodes, layered
• primary prov: dot, with highlighted nodes, layered
• critical attacks