Sync with upstream repo

LICENSE

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README.md

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+# TIAGo robot
+
+This package contains the description, controllers and bringup for all possible TIAGo configurations (end effectors, force torque sensors..).
+
+To make maintenance easier, the `tiago.urdf.xacro` takes arguments that specify whether the robot has an arm or not, the end effector type, force torque sensor, laser model and many other parameters.
+
+The other configuration files that differ between robot configurations are generated from template files.
+
+The templates are written using [empy](https://pypi.org/project/empy/) and have the extension `.em`. 
+
+To regenerate a group of files, you must execute `rosrun tiago_bringup regen_em_file.py EM_FILE_NAME` from the directory where the `.em` file is.