transformations

Problem
Since Java 8 was introduced there is no need to use Joda as it has been replaced the native Date-Time API.

Solution
Ideally greping and replacing the text should work (mostly)

Additional context
Need to check if de/serializing will still work.

The Point#d, Vector#d and Direction#d modules were recently optimized in the coordinate-systems branch to avoid unnecessary object allocations and function calls, but this also meant most functions got more verbose and therefore more prone to typos. It would be very useful to add some more fuzz and/or hardcoded tests for the various functions in these modules, following the patterns in the