added article functions

Publish an article.

Edit an article.
added article functions

Publish an article.

Edit an article.
Merge branch 'patch-5' of git://github.com/MikeOntry/harvester into MikeOntry-patch-5
Reorganization of Media utilities

- created FeedsModule
- created PressModule
- moved existing code from ManagementModule to new ones
- fixed indentation (tabs to spaces)