able to add multiple languages to charts
Merge pull request #65 from kwalker3690/languages

(feature) able to add multiple languages to charts
(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.
Merge pull request #67 from Chunhao137/myGithubscot

(feat/user page) Refactored entire code to use nvd3 directives and created factories
No modifications
Merge branch 'master' of https://github.com/GoldenLions/GoldenLions into myGithubscot
Added functionality so that on click of compare user, second set of data will plot along side first for bar chart