Merge pull request #27 from ayanamist/firefox

Firefox compatibility problem of context menu over tasks.
Mispell.
Merge pull request #28 from ayanamist/firefox

少改了两处，还是Firefox兼容
fix control bar, fix auth for firefox #24

change refresh interval, added 1s
Merge branch 'master' of git://github.com/binux/yaaw
use first dir name for bittorent tasks, and use filename for others

fixed #33
files option button fix #20
update appcache
support ENTER on #add_task_option
add favicon
update README
Merge remote-tracking branch 'upstream/master'
Merge pull request #39 from dhcmrlchtdj/master

support ENTER on #add_task_option
fix the contextmenu position when the pointer is near a screen edge