Added short notice where Entry and Voting system should be put (together with frontpage into a separate app.
Added article extraction app and first unit test for article extraction
Added first steps for cleanup of the article as extracted by readability-lxml
Added test for another source (wordpress.org/news
corrections for PEP8 compliance.
Moved Article._cleanup(..) and Article.contains_text(..) to artex (as module-level public methods) and added test for contains_text(..)
Added test for cleanup, so that it retains all text, no matter if wrapped in elements or not but still without outer, wrapping divs.
Merge branch 'master' of github.com:bericht/bericht