Designing natural language processing tools for teachers

The first one is to do manually the steps described at bot config documentation. To change the stemmers language, just set the environment variable HUBOT_LANG as pt, en, es, and any other language termination that corresponds to a stemmer file inside the above directory. By default we use the PorterStemmerPt for portuguese, but you can find english, russian, italian, french, spanish and other