Merge pull request #11 from DavidBruant/master

Display points regardless of geolocation + higher-level coding style
some cleaning
click behavior corrected
findClosest refactoring
some ideas in commentaries
some refactoring
refact calculateBounds
added filtering capability
added filters GUI
clic enabled on GUI filters
filter activated, still bugged
some cleaning
adjusted bubbles display
shortest route on top
activateAll small fix
corrected display modes bug
adding eslint, first shot at configuration and fixing first wave of errors
Merge pull request #14 from DavidBruant/eslint

adding eslint, first shot at configuration and fixing first wave of errors
eslint
some corrections