* BAEL-4589: Move Guide to Java 8’s Collectors to core-java-11-2 * BAEL-4589: Add Java 10 unmodifiable* collectors examples
* BAEL-4588: Fix maven-shade-plugin version * BAEL-4588: Add empty core-java-11-2 module structure * BAEL-4588: Move Guide To Java 8 Optional to core-java-11-2 * BAEL-4588: Add Java 10 orElseThrow() example