added stringer url to user agent when fetching feeds
set the useragent as a constant in the class file
Merge pull request #285 from jasonngpt/useragent

added stringer url to user agent when fetching feeds
配置好开发环境
配置好开发环境
Merge branch 'master' of heroku.com:cai-stringer

Conflicts:
	config/database.yml