Orbit Downloader version 3.0.0.4 update

更新了

- Fix: Firefox Addon doesn't work in some case.
- Add: Add "Become a fan" and "Follow us" link on status bar.
- GetIt can not catch some URL in IE6
- Add: editing function and right mouse button function of Tag
- Add: remember the selected state, tag, tab when you exit
- Improve: keep the task stay in "downloading" when you pause it
- Fix: file has not been removed when delete the completed task
- Fix: Crash When start.