SoyToJsSrcCompiler.jar is out of date

In the download at https://dl.google.com/closure-templates/closure-templates-for-javascript-latest.zip referenced in https://github.com/google/closure-templates/blob/master/documentation/codelabs/helloworlds/helloworld_js.md, the provided file for `SoyToJsSrcCompiler.jar` is out of date. It does not support the current syntax and has outdated flags. Please provide an updated version of the jar file and related resources. Also consider including these updates in future releases so this isn't continually out of date.

Example error:
```
Exception in thread "main" com.google.template.soy.base.SoySyntaxException: In file index.soy: Unsupported attribute 'visibility' in 'template' command text (visibility="private").
at com.google.template.soy.base.SoySyntaxException.createWithoutMetaInfo(SoySyntaxException.java:52)
at com.google.template.soy.soytree.CommandTextAttributesParser.parse(CommandTextAttributesParser.java:109)
at com.google.template.soy.soytree.TemplateBasicNodeBuilder.setCmdText(TemplateBasicNodeBuilder.java:107)
at com.google.template.soy.soytree.TemplateBasicNodeBuilder.setCmdText(TemplateBasicNodeBuilder.java:47)
at com.google.template.soy.soyparse.SoyFileParser.Template(SoyFileParser.java:300)
at com.google.template.soy.soyparse.SoyFileParser.SoyFile(SoyFileParser.java:277)
at com.google.template.soy.soyparse.SoyFileParser.parseSoyFile(SoyFileParser.java:192)
at com.google.template.soy.soyparse.SoyFileSetParser.parseSoyFileHelper(SoyFileSetParser.java:266)
at com.google.template.soy.soyparse.SoyFileSetParser.parseWithVersions(SoyFileSetParser.java:213)
at com.google.template.soy.soyparse.SoyFileSetParser.parse(SoyFileSetParser.java:173)
at com.google.template.soy.SoyFileSet.compileToJsSrcFiles(SoyFileSet.java:921)
at com.google.template.soy.SoyToJsSrcCompiler.execMain(SoyToJsSrcCompiler.java:303)
at com.google.template.soy.SoyToJsSrcCompiler.main(SoyToJsSrcCompiler.java:243)
```