Merge branch 'develop' into gnss-attitude

pom.xml

...rg/orekit/estimation/leastsquares/MeasurementHandler.java

src/main/java/org/orekit/estimation/leastsquares/Model.java

...g/orekit/estimation/measurements/AbstractMeasurement.java

.../orekit/estimation/measurements/EstimatedMeasurement.java

src/main/java/org/orekit/estimation/measurements/PV.java

...timation/measurements/modifiers/DynamicOutlierFilter.java

...ekit/estimation/measurements/modifiers/OutlierFilter.java

...rg/orekit/estimation/sequential/ConstantProcessNoise.java

...va/org/orekit/estimation/sequential/KalmanEstimation.java

...ava/org/orekit/estimation/sequential/KalmanEstimator.java

.../orekit/estimation/sequential/KalmanEstimatorBuilder.java

...java/org/orekit/estimation/sequential/KalmanObserver.java

...rg/orekit/estimation/sequential/MeasurementDecorator.java

src/main/java/org/orekit/estimation/sequential/Model.java

...kit/estimation/sequential/ProcessNoiseMatrixProvider.java

src/main/java/org/orekit/propagation/analytical/tle/TLE.java

...kit/propagation/conversion/AbstractPropagatorBuilder.java

...it/propagation/conversion/NumericalPropagatorBuilder.java

...ava/org/orekit/propagation/events/FunctionalDetector.java