Add docstrings to HTTPServer.WebRoot class and render_GET() method.
Fix Sphinx directives in HTTPServer.usingRTLLang().
Fix unhandled traceback in HTTPServer.WebRoot.render_GET() for #6127.
Merge branch 'fix/6127-render_GET-traceback' into develop
Add COLLECT_TIMESTAMPS option for configuring addOrUpdateBridgeHistory().

 * ADD a new option, `COLLECT_TIMESTAMPS` to the config file to configure
   whether or not to run the timestamp collection code, including
   `Stability.addOrUpdateBridgeHistory()`, in `Main.load()`.
 * FIXES #10724
Merge branch 'feature/10724-collect-timestamps-option' into develop