Username from WebArena is now displayed in Etherpad
Merge branch 'develop' of https://github.com/winfel/wa_knowledge_structuring into develop

# By Oliver Hahn
# Via Oliver Hahn
* 'develop' of https://github.com/winfel/wa_knowledge_structuring:
  added webarena dependencies of lodash and monk to package.json so you just need to run 'npm link'