Added restamper for PerceivedEquipment, Human and TFMessage. Added a python script to rename a topic in a bag-file.
restamper launch-files
Added a check to the python script that prevents you from destroying your bag file if the name of both files are the same.
added comment in rename_topic.py
Created README with rename_topic.py usage
added Documentation for rename_topic.py
Merge pull request #2 from jannikb/restamper

Restamper