Chris Vest

Attributes are being replaced correctly, but resources such as stylesheets are still not being copied correctly to the destination directory, because the javadoc tool does not pass the destination directory...

Stylesheets are now copied correctly, so coderay highlighting works again. A Java 11 stylesheet has also been added. There are two problems left, AFAIK: 1) the `overview.adoc` is somehow not...

Adding `-Xdoclint:none` to the `javadoc` configuration makes the build pass, but the overview is still not rendered properly.

Overview files are now processed correctly. The HTML problems have been ignored. So now the javadocs are generated correctly, and without failing the build, given the right options are provided....

This PR is an example of the sort of changes people will have to do, to upgrade to an asciidoclet with these changes: https://github.com/chrisvest/stormpot/pull/118

@LightGuard I'm using this via jitpack to my fork at https://github.com/chrisvest/asciidoclet/tree/chrisvest: ``` jitpack.io https://jitpack.io ... com.github.chrisvest asciidoclet 2.0.0 ```

It looks like newer versions of the Maven Javadoc plug-in now refuses to download doclet dependencies from anywhere other than Maven Central, which means the JitPack trick above is now...

> @chrisvest Are you still available to help? Yes. I've been using my own fork for half a year now. I'd also like to see the asciidoctor version upgraded to...

@johncarl81 Replied to your comments.

The PR relies on some utility methods that are not available in Java 9 or 10. More importantly, #96 is not really a clean port to the new javadoc APIs....