*Cron Version*
Adapted to LaoBan HU's API.
Added log.

Signed-off-by: Wanglei <nihiue@gmail.com>
Release http connection manually.

Signed-off-by: Wanglei <nihiue@gmail.com>
Merge branch 'wanglei' of git.omnilab.sjtu.edu.cn:binzh/hackathon into zhangbin
Added Python script with a simple amf3 parser ,which is used to fetch data from http://www.semc.gov.cn/aqi/home/Station.aspx

Added front-end pages

Signed-off-by: Wanglei <nihiue@gmail.com>
SEMC/semc.py : Display update_time

Signed-off-by: Wanglei <nihiue@gmail.com>
Merge branch 'wanglei' of git.omnilab.sjtu.edu.cn:binzh/hackathon into zhangbin