remove bootstrap, and adjust the style
测试演示功能
change back the code, use demo branch to test demo
lot of changes
improve homepage style and mobile friendly
improve responsive layout
big changes, redesign the directory structor, still have lots of works to do
improve style and category module
improve post module, and file module
working in the upload module
in progress
improve file upload module
improve post module,fix some style bug
Merge branch 'master' into clean
add readme file