(fix) Fix the line that was connecting multiple datasets on language charts
(feat/languagePage) Refactor the code for the language charts. Move functions to services.js
(feat/languagePage) The four different charts on the language page now work.
(feat/languagePage) Able to see four different charts with multiple languages
Merge pull request #66 from wykhuh/feat/languagePage

(Feat/language page) Able to see four different charts with multiple languages.