Merge branch 'merge_rugged_refining' of https://www.orekit.org/git/rugged-main...

...t/rugged/adjustment/GroundOptimizationProblemBuilder.java

...ed/adjustment/InterSensorsOptimizationProblemBuilder.java

...ava/org/orekit/rugged/adjustment/LeastSquareAdjuster.java

.../orekit/rugged/adjustment/OptimizationProblemBuilder.java

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

...finingPleiades/generators/GroundMeasurementGenerator.java

...efiningPleiades/generators/InterMeasurementGenerator.java

...xamples/refiningPleiades/metrics/LocalisationMetrics.java

...va/fr/cs/examples/refiningPleiades/models/OrbitModel.java

...xamples/refiningPleiades/models/PleiadesViewingModel.java