antlr3-3.5.3-bp160.1.11

- Modified patch:
  * reproducible-order.patch
    + some more instances where the sorting (sorted containers)
    are needed
  * antlr3-generated_sources.patch
    + regenerate in cycle to correspond to the changes in the
    reproducible-order.patch

- Use %patch -P N instead of deprecated %patchN.

- Remove dependency on maven2

- Added patches:
  * reproducible-order.patch
    + ensure reproducible elements order by sorting
  * reproducible-timestamp.patch
    + support SOURCE_DATE_EPOCH for generatedTimestamp
- Modified patch:
  * antlr3-generated_sources.patch
    + regenerate in cycle with stringtemplate4 to correspond to
    the reproducible build changes

- Override build date (boo#1047218)"

- No need to use enforcer plugin in controlled environment

- Update to 3.5.3:
  * change source compatibility to 1.8 and enable github workflows
  * Change Wiki URLs to theantlrguy.atlassian.net in README.txt
  * Bazel support
  * Modify patches:
  - Rebase osgi-manifest.patch and rename to antlr3-osgi-manifest.patch
  - Rename 0001-java8-fix.patch to antlr3-java8-fix.patch

- Build with source and target levels 8

- Specify maven.compiler.release to fix build with jdk9+ and newer
  maven-javadoc-plugin

- Initial packaging of antlr3 3.5.2 as multibuild package