Add some new lines in html
Correct SQL

Fixes #28
Add i18next

* Use i18next library
* Set text with jQuery
* Keep original text in html (in case nothing loads)
* Add Dutch translation
Solve merge conflict
Reorder functions
Refix error
Small corrections
Remove unnecessary class select-section
Add navbar + bootstrap.js for dropdown
Add language switch function
Add English translation
Add French translation
Merge pull request #32 from Datafable/i18n

i18next