Updated CS identity from CS Systèmes d'Information to CS GROUP

...rg/orekit/rugged/adjustment/measurements/Observables.java

.../orekit/rugged/adjustment/measurements/SensorMapping.java

...rugged/adjustment/measurements/SensorToGroundMapping.java

...rugged/adjustment/measurements/SensorToSensorMapping.java

src/main/java/org/orekit/rugged/api/AlgorithmId.java

src/main/java/org/orekit/rugged/api/BodyRotatingFrameId.java

src/main/java/org/orekit/rugged/api/EllipsoidId.java

src/main/java/org/orekit/rugged/api/InertialFrameId.java

src/main/java/org/orekit/rugged/api/Rugged.java

src/main/java/org/orekit/rugged/api/RuggedBuilder.java

src/main/java/org/orekit/rugged/errors/Dump.java

src/main/java/org/orekit/rugged/errors/DumpManager.java

src/main/java/org/orekit/rugged/errors/DumpReplayer.java

src/main/java/org/orekit/rugged/errors/RuggedException.java

...java/org/orekit/rugged/errors/RuggedExceptionWrapper.java

...in/java/org/orekit/rugged/errors/RuggedInternalError.java

src/main/java/org/orekit/rugged/errors/RuggedMessages.java

...va/org/orekit/rugged/intersection/BasicScanAlgorithm.java

...rekit/rugged/intersection/ConstantElevationAlgorithm.java

...va/org/orekit/rugged/intersection/IgnoreDEMAlgorithm.java