Added netvlad_tf_ros.py script, added compression.py script to compress/uncompress data from rtabmap

setup.py

@@ -0,0 +1,10 @@
+#!/usr/bin/env python
+from setuptools import setup
+from catkin_pkg.python_setup import generate_distutils_setup
+
+d = generate_distutils_setup()
+
+d['packages'] = ['rtabmap_ros']
+d['package_dir'] = {'' : 'python'}
+
+setup(**d)