Rebuilt for IMA sigs, glibc 2.34, aarch64 flags

Remove dependency on xalan-j2
Resolves: rhbz#1977007

Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937

Update OSGi metadata, use import-package instead of require-bundle

Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild

Version 2.12.1
Drop upstreamed getcontentdocument patch
Drop no longer used taglet sources
Verify the source tarball
Compute cvs_version so it doesn't have to be updated in sync with Version
Build with JDK 11
Generate the scripts with jpackage_script

Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild

Peg to Java 8 due to use of 'com.sun.tools.doclets.Taglet' that was removed in

Rebuilt for JDK-11, see https://fedoraproject.org/wiki/Changes/Java11

Turn off javadoc linting

Change to build using Java 11
Fix some impl classes that require getContentDocument() method
Add a patch-module option for Javadoc generation

Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild