Jpype 1.5.1 does not work on Windows

From orekit forum: https://forum.orekit.org/t/error-when-launching-jvm-with-jpype-wrapper/4221/3

Jpype github issue: https://github.com/jpype-project/jpype/issues/1242

We should freeze jpype==1.5.0 until a jpype version is released with the fix.