drag and drop, i18n
replace with new default theme files
icon list panel view
add widget icon
add view router support
load data from themeConfig for the icon list
fix typo of Messages
use fontello's icons
get data when route to edit panel
switch icon with next button text
define menu list items
add some new web icons
menu list styles
improve menu item stats exchange
improve style of menu list
improve implement logic
remove sence text
fix preview styles
operation panel style
page header styles