Merge branch 'master' of ssh://git@www.orekit.org/rugged-main.git

core/src/main/java/org/orekit/rugged/api/RuggedMessages.java

...kit/rugged/intersection/duvenhage/DuvenhageAlgorithm.java

.../orekit/rugged/intersection/duvenhage/MinMaxTreeTile.java

core/src/main/java/org/orekit/rugged/raster/Tile.java

...resources/assets/org/orekit/rugged/RuggedMessages_en.utf8

...resources/assets/org/orekit/rugged/RuggedMessages_fr.utf8

...c/test/java/org/orekit/rugged/api/RuggedMessagesTest.java

...rugged/intersection/duvenhage/DuvenhageAlgorithmTest.java

...rc/test/java/org/orekit/rugged/raster/SimpleTileTest.java

...rc/test/java/org/orekit/rugged/raster/TilesCacheTest.java

src/site/xdoc/changes.xml