Set stable automatic module names

[sormuras]

Draft PR setting com.fnproject.fn.api as the automatic module name for fdk-java/api module. I'd be happy to extend this PR to all other relevant modules.

Addresses #188

[fn-bot]

CLA Bot

Thank you for your submission! It appears that the following authors have not signed our Contributor License Agreement:

• Christian Stein

Please do so now by visiting http://www.oracle.com/technetwork/community/oca-486395.html

Once complete, let us know in our community Slack and we’ll send you an Fn T-shirt.

We are working on modernizing the CLA process into a digital signature but it isn’t quite ready yet.

Thank you for being a part of the Fn Community!

[fn-bot]

CLA Bot

Thank you for your submission! It appears that the following authors have not signed our Contributor License Agreement:

• Christian Stein

Please do so now by visiting http://www.oracle.com/technetwork/community/oca-486395.html

Once complete, let us know in our community Slack and we’ll send you an Fn T-shirt.

We are working on modernizing the CLA process into a digital signature but it isn’t quite ready yet.

Thank you for being a part of the Fn Community!

[sormuras]

Dear "cla_bot", I already signed the CLA. Find "Christian Stein - OpenJDK - sor" at https://www.oracle.com/technetwork/community/oca-486395.html#s

[delabassee]

@sormuras indeed, let us check how to make the bot happy

[sormuras]

@delabassee Any news here? Happy bot in sight?

[sormuras]

Now it reads Christian Stein - OpenJDK / Fn Project - sor but the bot is still unhappy.

[fn-bot]

CLA Bot

All committers have signed the CLA.

[sormuras]

Closing due to ... today, FDK-Java should ship as explicit Java modules.