bump revision
refer questions to Stack Overflow until the mailing list is fixed
allow templates/plugins to override JSDoc dependencies on Node.js (#671)

Also removes Requizzle from git, because this module is not used on Rhino.
ignore Requizzle module
bump revision
disable ESLint max-nested-callbacks rule
streamline tests
escape HTML characters in code blocks (#635)
clean up test spec
validate tags that have no text (#661)
when creating links, do not treat `<anonymous>` types as type applications, and handle union types without parentheses (#654)
use `throws` as the primary name and `exception` as the synonym
test cleanup
add the AST node to doclets as a non-enumerable property by default

This change prevents a lot of clutter when using the `--explain` flag to log doclets to the console.

If the `--debug` flag is enabled, AST nodes are added as enumerable properties.
prevent type info from overwriting existing doclet properties (#676)
autodetect parameter names in function expressions (#674)
if a module exports one symbol, do not treat it as a global, regardless of the symbol's kind (#667)

Plus some test cleanup.
remove parameter properties from the method signature (#680)
clarify comment
regression test for #683