BitComet 0.81

- GUI Improved: new floating window to display running status, supporting drag&drop of links in webpage and files to start download
- GUI Improved: add new function of auto query file size and server resume-supported ability when add new HTTP task, which can be configured in preferences dialog
- GUI Improved: the task number of a task queue is displayed in the favorites list
- GUI Improved: new icons for HTTP task states in task list
- GUI Improved: link count is displayed in add HTTP task group dialog
- GUI Bugfix: fix the bug that URL can not be opened from BitComet if FireFox is set to be default browser
- Core Improved: new function of auto recycle memory, which can be configured in preferences dialog
- Core Improved: compatible to Windows Vista, able to download HTTP links from IE7