Add new method to retrieve query with date range

The files FeedService.java, Project.java and ProjectManger.java have
been updated. Replace these files in the project. Use this url to use
the new parameters:
http://localhost:8080/TerrorismData/TerrorData/WebService/GetFeedWithDat
es?terrorParam1=2007&terrorParam2=2008terrorParam1=2007&terrorParam2=200
8