add script to check topic and node relation

This is a script to track the node and topic relation.
Maybe just I don't know the other script similar to this. If so, please let me know, I will close this.

Command:
"j" - jump to the topic or node 
"q" - quit this cureses
![roschain](https://cloud.githubusercontent.com/assets/3803922/5547973/6625c1ca-8ba8-11e4-9e65-10fa1066a0c3.png)