Summary
- recover platform-specific node binaries from original download, notably for node-pty for Terminal;
- tuned message;
- tuned;
- tuned imports;
- misc tuning and clarification;
- more executable files; clarified modules;
- tuned;
- tuned output;
- clarified signature;
- tuned, based on suggestions by IntelliJ IDEA;
- tuned;
- clarified command-line options;
- update official Isabelle release, notably for "Admin/init -R";