Merge branch 'web'
做了既显示地图又搜索的决策
删掉daily-task的FileHeader，将import部分改为遵守PEP8
添加whoosh建立索引功能
Merge branch 'master' into map

Conflicts:
	daily-task/cache.py
	daily-task/cleaner.py
	daily-task/database.py
	daily-task/decorator.py
	daily-task/log.py
	daily-task/normalize.py
	daily-task/util.py
	gitradar/static/css/gitradar.css
	gitradar/templates/index.html