建立performance app
增加har的json返回的方法
增加url的返回
调整url映射规则
add demo
增加三方库phantomjs

hack了里面netsniff的代码.保证mimetype每次都有值.
增加自定义command代码模块

增加注释
修改url规则,增加url参数的获取
增加截图的代码原型
增加har解析的js
Merge branch 'dev' of https://github.com/wolmhp/f2e_service into dev
修改瀑布图颜色，增加测试har文件
demo页增加瀑布图
Merge branch 'dev' of https://github.com/wolmhp/f2e_service into dev

Conflicts:
	demo/index.html
	demo/js/har-viewer.js
	performance/biz/HAR.py
	performance/biz/WebkitCapture.py
	performance/management/commands/getPerformanceTask.py
	performance/views/api/performance_diagnose.py