for #25 adding the lexicon server since in our first iteration, it is a very simple node js app consisting of two methods, fetch and train.
for #25 adding the lexicon server since in our first iteration, it is a very simple node js app consisting of two methods, fetch and train.


Former-commit-id: d8c9cebeddf79b7d62262be4d2119cae7f237cf4
iLanguage/iLanguage,vronvali/iLanguage,vronvali/iLanguage,vronvali/iLanguage,iLanguage/iLanguage,cesine/iLanguage,vronvali/iLanguage,iLanguage/iLanguage,iLanguage/iLanguage,iLanguage/iLanguage,cesine/iLanguage,cesine/iLanguage,vronvali/iLanguage,cesine/iLanguage,cesine/iLanguage,vronvali/iLanguage