[patch] add support for the if-modified-since header for static content
|Reported by:||Owned by:||Jacob|
|Has patch:||yes||Needs documentation:||no|
|Needs tests:||no||Patch needs improvement:||no|
If you use the builtin Web server, it doesn't respect the if-modified-since header. Hence, static content is re-downloaded on every page request. This patch fixes that.