
see bug 329534
This extension replace components/nsLivemarkService.js, and change method of Loading Livemarks.
Default, we read 1 Livemark / 3sec. If you want to change this,
when browser.bookmarks.livemark_refresh_delay_time is 5 and browser.bookmarks.livemark_refresh_limit_count is 3, we reflesh 3 livemarks / 5sec.
Load Balancer of Livemark Service - bug329534.xpi