Merge pull request #4 from ikitty/master

完善首页功能
Merge pull request #5 from ikitty/master

Fix Merged Bug
gogo
merge ikitty's code in the master branch
Merge pull request #6 from ikitty/master

新增“createFolder”功能
gogo
merge from master
code clean up
1,files layout;2,open file logic
fix a bug of opening a file
1，更新README.md，添加了一些模块的关键接口
2，更新about.html的author字段
1,增加文件夹监听功能，文件发生修改时，底边框变红
1, 发布一个体验的preview版本在fwspace/release.zip
2，修正default.js在程序初始化时的bug
1，setting增加ignoreFolders字段，用于过滤类似.svn等文件夹
2，增加J.base.isImg方法
3，首页图片列表增加缩略图显示。利用background-size:cover完美显示背景图
add nwapp/index.html
add fwspace/index.html
clean up codes
create template file when create new folder