doc(documentation): remove Kepler support, explicitly require Luna or Mars
doc(documentation): remove Kepler support, explicitly require Luna or Mars

laurentpetit/ccw,laurentpetit/ccw,ccw-ide/ccw,michelangelo13/ccw,laurentpetit/ccw,ccw-ide/ccw,noncom/ccw,michelangelo13/ccw,ccw-ide/ccw,noncom/ccw,noncom/ccw,michelangelo13/ccw