Use redirect via document.location for the 'latest' URLs
Use redirect via document.location for the 'latest' URLs

We used to use redirect via <meta http-equiv='refresh'>, but it appears
these redirects are disabled in latest FF and IE11.

Let's use document.location redirect, it's bulletproof and always works

astashov/dartdocorg,astashov/dartdoc-generator,astashov/dartdoc-generator,astashov/dartdocs.org,astashov/dartdocs.org,astashov/dartdoc-generator,astashov/dartdocorg,astashov/dartdocorg,astashov/dartdocs.org