URLs added to package XML
stop sending TF updates when removing a cancelled goal
Merge pull request #13 from T045T/develop

stop sending TF updates when removing a cancelled goal
make sure at least one transformation is sent, even if the tf is (and stays) the identity
Merge pull request #14 from T045T/send_initial_transformation

make sure at least one transformation is sent
release prepare
changelog updated
0.2.2
Merge branch 'develop' of github.com:RobotWebTools/tf2_web_republisher