message: cleaned up package xmls, added most current urdf.xacro
diff: <name>franka_visualization</name>
  <version>0.0.0</version>
  <description>The franka_visualization package</description>
  -
  - <!-- One maintainer tag required, multiple allowed, one person per tag -->
  - <!-- Example: -->
  - <!-- <maintainer email="jane.doe@example.com">Jane Doe</maintainer> -->
  - <maintainer email="jaeh_ch@todo.todo">jaeh_ch</maintainer>
  -
  -
  - <!-- One license tag required, multiple allowed, one license per tag -->
  - <!-- Commonly used license strings: -->
  - <!-- BSD, MIT, Boost Software License, GPLv2, GPLv3, LGPLv2.1, LGPLv3 -->
  - <license>TODO</license>
  -
  -
  - <!-- Url tags are optional, but mutiple are allowed, one per tag -->
  - <!-- Optional attribute type can be: website, bugtracker, or repository -->
  - <!-- Example: -->
  - <!-- <url type="website">http://wiki.ros.org/franka_visualization</url> -->
  -
  -
  - <!-- Author tags are optional, mutiple are allowed, one per tag -->
  - <!-- Authors do not have to be maintianers, but could be -->
  - <!-- Example: -->
  - <!-- <author email="jane.doe@example.com">Jane Doe</author> -->
  -
  -
  - <!-- The *_depend tags are used to specify dependencies -->
  - <!-- Dependencies can be catkin packages or system dependencies -->
  - <!-- Examples: -->
  - <!-- Use build_depend for packages you need at compile time: -->
  - <!-- <build_depend>message_generation</build_depend> -->
  - <!-- Use buildtool_depend for build tool packages: -->
  - <!-- <buildtool_depend>catkin</buildtool_depend> -->
  - <!-- Use run_depend for packages you need at runtime: -->
  - <!-- <run_depend>message_runtime</run_depend> -->
  - <!-- Use test_depend for packages you need only for testing: -->
  - <!-- <test_depend>gtest</test_depend> -->
  + <maintainer email="christoph.jaehne@franka.de">christoph_jaehne</maintainer>
  + <license>NONE</license>
  <buildtool_depend>catkin</buildtool_depend>
  <build_depend>sensor_msgs</build_depend>
  <build_depend>roscpp</build_depend>
  <run_depend>sensor_msgs</run_depend>
  -
  -
  - <!-- The export tag contains other, unspecified, tags -->
  - <export>
  - <!-- Other tools can request additional information be placed here -->
  -
  - </export>
  </package>
  