Revert "Add setup.py, remove comments"

This reverts commit bec570223c0660ffa04e765618470c8e5e665e0d.
Revert "Catkinize package"

This reverts commit b1336c86a111a2aa51f1340bcd60c9940b0bf40f.

Conflicts:

	urdf_parser_py/CMakeLists.txt
	urdf_parser_py/package.xml