基本完成project_show_page
完成project_show页面
顶部导航栏
input标签不自动出现浏览器提示，project删除后自动删除milestones
完整注册登录
Merge branch 'feature/UI_develop' of https://github.com/Scott1743/Fdur-Link into feature/UI_develop

Conflicts:
	app/assets/stylesheets/users.css.scss
	app/views/users/_form.html.erb
	app/views/users/new.html.erb
detail页面
Merge branch 'develop' into feature/UI_develop

Conflicts:
	app/assets/stylesheets/base.css.scss
	app/assets/stylesheets/users.css.scss
	app/views/users/new.html.erb
布局微调
修改一些bug
fixed bug #2
mysql socket
user_detail基本功能
输入图片检查机制，图片loading时显示loading图片
fixed bug#1
fixed bug#3
fixed bug: 图片字符串验证不正确
fixed bug#4
完成user_detail页面
activities功能准备阶段