Update readme.md
Update readme.md
Update readme.md
Update readme.md
Merge branch 'xiaolong'

Conflicts:
	readme.md
Merge branch 'xiaolong'
整理migrate
hotfix miss }
update readme
Merge branch 'xiaolong'

Conflicts:
	app/controllers/api/shares_controller.rb
	lib/tasks/upload.rake
added gem rails best practices
1.分享时，json增加share_context列2.x新增upload.rake 用来上传本地图片到服务器端 用法: rake upload_pic_to_qiniu[图片所在文件夹的绝对路径,http://127.0.0.1:3000/api/dailyposts.json]