上传基本模板

完成数据库模板的选型和创建
建立了webapp，后续开发在该app中进行
增加.gitignore文件
å¢add urlnd view function for trace

In urls.py, add url that point to views.trace.
In views.trace, add a simple response for testing.
modify trace function to test tracroute command

add a testing function in views.trace
"add a directory for scripts
"finish the work of ping_data fetch
"test"
a test script to import Django models
"test"
Merge branch 'master' of gitlab.x.netease.com:gzlishuang/webapp
collect trace_info and write to db
make models return usefule info
"finish the function of saving datum into mysql

change "webapp"'s frastucture:add a management/commands directory
add two modules:add_db.py is for saving datum into mysql
                _get_ping_info.py is for getting ping information
"delete some unnecceary files
Merge branch 'ls_dev'

Conflicts:
	mysite/wsgi.py
"lastest version
Merge branch 'ls_dev'
delete .pyc files
Merge branch 'shan_trace_dev'
"remove pyc file