Jssc fix libs and sync with upstream

[sampottinger]

Updated JSSC including a sync to the upstream library's latest fixes and migrated to new cleaner native libs. Resolves #119 (finally). Tested on the following:

• macOS 11.4
• Windows 10
• Elementary 5.1 (linux)

[sampottinger]

Whoops... looks like intellij got up in there... one sec.

[benfry]

Thanks, just some changes needed here with the name of the platform-specific subfolders. For instance, it needs to be linux64 not linux_64 to export properly. And we can leave out the 32-bit versions everywhere (except ARM, perhaps) since everything is 64-bit. So the folders should be more or less the same as before:

linux64 (64-bit Intel)
linux-arm64 (64-bit ARM for RPi)
linux-armv6hf (32-bit ARM for RPi)

either 
macosx (if it's a 32- and 64-bit fat binary)
or 
macosx64 (if it's just a 64-bit binary)

and then
macosx-arm64 (provisional, since we don't have support yet)

(This adds macosx-arm64 and drops the unnecessary 32-bit versions.)

The macOS names will need to change someday, probably becoming macos instead of macosx, though the -arm64 is confusing here for folks, so haven't decided what best to do there. (Confusing meaning that if we export an application and the folder is called application.macosx-arm64 that most humans will be confused that it means “macOS on my M1 Mac”.

[sampottinger]

Ah got it @benfry. I think these just reflect back what JSSC is doing upstream. I can change these targets.

[sampottinger]

Have a draft but testing across platforms.

[sampottinger]

@benfry, Actually ended up syncing again to master and they are bundling the natives in the jar now. See updated PR.

[benfry]

Thanks! Now merged for beta 2.

[github-actions]

This pull request has been automatically locked. Pull requests that have been closed are automatically locked 30 days after the last comment.