add bin file
优化sass编译，默认使用ruby，次用jruby
support for rerefresh project
changed notifier
complete imports compile function
fix less compile bug
update storge structure
增加文件开启与停用编译功能
supports for watch last import file
完善编译选项动态设定功能
add language pack feature
update UI design
add License
update License
update build command
add koalaui components
add folder and file item contextmenu
Support drag and drop folders add project
fix darg and drop folder to window
koalaui disable css animation,fix notifier bug