filesystem: add mac os x directory watcher this code is incredibly stinky tbh we should probably be using C++ threads everywhere else just because they are SO much easier to code for than the shitty Qt threads API

// WebKit-style focus

.tab-focus() {
  // Default
  outline: thin dotted;
  // WebKit
  outline: 5px auto -webkit-focus-ring-color;
  outline-offset: -2px;
}