Detect openjdks

[akuhtz]

This PR allows to detect the following OpenJDKs installation from the Windows registry:

• Amazon Coretto
• AdoptOpenJDK
• Liberica

[VirtualTim]

I assume this makes #7 redundant.

Anyway, this is nice, and hopefully will be merged soon. It seems like this issue affects heaps of users.
Personally I think falling back to %JAVA_HOME% would be better, but if this isn't the direction the project wants to go in this PR seems to also be good.

[teras]

Hello, is there any compiled version of this PR or any ideas if this would be embedded?
Thank you

[akuhtz]

@teras Which OS do you use for the build?

[VirtualTim]

I'm sure there's many people who would appreciate 32/64 bit, Windows 10 / Server 2016 / Server 2019 builds.

[teras]

EDIT

@akuhtz I am using Linux & OSX, mainly OSX.

[VirtualTim]

Just to give some feedback, I've set up our builds with this patch and everything seems to work as expected. Testing has been done with Java 8 and 11.

[chutch1122]

Is this going to be released any time soon?

[iyh]

just respect JAVA_HOME environment variable please...