[Download] Express FlashGet 3.0 official release

Update information about the FlashGet 3.0 official release

1. Optimize the speed limiting logic, divided into full speed download and custom two modes

2. Optimize support for IE8

3. Optimize the new panel, click the "Browse" button to pop up the dialog box and locate it in the current path

4. Fixed eMule task, download progress percentage decimal point display is not correct issue

5. Modify the file list and add a splitter line for column headings for easy dragging

6. Fixed the problem that forum users' feedback about downloading www.czgame.cn resources caused the jam

7. Fixed a coding issue when downloading FTP