fix bug #36
添加了对任务status的不同处理
调整了格式...
处理了失败的任务的颜色
Changed handler from lixian/check_tc.php to log_handler.php?cmd=stat
Merge branch 'beta' of github.com:petronny/xfdown into beta
Merge pull request #38 from petronny/beta

fixed bug #36 && 可以根据任务的状态调整颜色