doc: Format.
add: Keyboard shortcuts.
opt: The widget editor alert info.
opt: Widget editor validation.
upd: Update the bowser.
fix: A multi-script loading bug.
add: CSS loading helper.
add: A switch to detect whether need to clone the widget.
add: A simple slider widget.
fix: Style.
add: Nivo slider.
del: Format.
add: temp.
fix: A build bug.
add: A new interface of the widget.
add: Update the api.
Merge branch 'master' into peditor
mov: Changed a interface name.
opt: WIdgets
opt: Style.