While here, use PKGTAG.python- prefix

The renaming affects the following packages:
- wip/talos-metapkg-ros-control-sot
- wip/talos-simulation
- wip/tiago-metapkg-ros-control-sot
- wip/tiago-tutorials
- wip/tiago-description-calibration
- wip/py-roscontrol-sot
- wip/tiago-simulation