Jenkins ChangeSet for http://dev.digital-humanities.de/ci/job/DARIAH-Topics/121/

Update demonstrator	by severin
#demonstrator/templates/result.html
-document0.txt
#dariah_topics/preprocessing.py
#demonstrator/templates/index.html
#dariah_topics/mallet.py
#dariah_topics/visualization.py
#demonstrator/demonstrator.py