[cli] Enabled version flags on all commands. Resolves #396

apps/jreleaser/src/main/java/org/jreleaser/cli/BaseCommand.java

@@ -27,6 +27,7 @@ import java.util.ResourceBundle;
  * @since 0.8.0
  */
 @CommandLine.Command(mixinStandardHelpOptions = true,
+    versionProvider = Versions.class,
     resourceBundle = "org.jreleaser.cli.Messages")
 abstract class BaseCommand {
     @CommandLine.Spec

apps/jreleaser/src/main/java/org/jreleaser/cli/Main.java

@@ -26,7 +26,6 @@ import java.io.PrintWriter;
  * @since 0.1.0
  */
 @CommandLine.Command(name = "jreleaser",
-    versionProvider = Versions.class,
     subcommands = {Init.class, Config.class, Template.class,
         Assemble.class, Changelog.class,
         Checksum.class, Sign.class, Upload.class,