JSPWIKI-1172 - jspwiki.workDir default should be in $javax.servlet.context.tempdir
previously, this property was set to java.io.tmpdir, if you need jspwiki.workDir to continue pointing there please update your jspwiki[-custom].properties file accordingly
Breaking change: Java 11 required to compile & run JSPWiki
Breaking change: .html, .htm and .js attachments are now forcibly downloaded by default
if you want to open them rather than downloading them, set the jspwiki.attachment.forceDownload property to empty on your jspwiki[-custom].properties file
ReferenceManager implementation can be set via jspwiki.refManager property on your jspwiki[-custom].properties file
The provided implementation is expected to have a constructor receiving only an Engine