Merge pull request #3 from yzheng624/master

Update jQuery
type in any place
update version
Merge pull request #4 from xhacker/type-in-any-place

Type in any place
bump version to 0.4.3.
bugfix
update version
update jQuery UI, fixed uncompatible with latest jQuery.
serveral things
remove background.html.
merge master changes.
.
Merge branch 'add-to-wordlist-in-popup' of github.com:xhacker/haloword into add-to-wordlist-in-popup
hide and show
add word successfully
.
reuse some codes.
bugfix
+ - icons
so far so good