Refactor Splitter to use Treat for proper NLP splitting and future uses

Add:
 * Treat gem for NLP usage
 * Rake task to install a language for Treat
 * Extra logic to install treat’s language with Travis CI
 * Ruby 2.0.0 to Travis CI

Refactor:
 * The Splitter class to use treat to ‘chunk/segment/tokenize/category’
   the file and return that data for further use

Remove:
 * Initial logic for analyzer and specs for them, they will be refined
   later