Refactor: minor improvement
Implement:added a common class where to store all application constants
Implement:added initial skeleton of the news generator class
Refactor: modified to correct packaging
Refactor:modified  package names
Repairing the dmg done by Tobias reset
ObjectRetriever can now return DomainExperts
ObjectRetriever can now return TopContributors

and NewsContributors
Extractor update

now offers methods to get Editors from ObjectReciever
updateEditsWithContent now available