Add watcher and server runner for dev environment
Minor clean up
Cleaning up
Fixed path
Refactored paths and watcher - now gulp won't rebuild all files on every change
Replaced nodemon with gulp-develop-server
Removed unnecessary function
Replace assets URLs (cache buster) for every environment
Removed dependency on config.js
Fixed server to run on production
add response time middleware
add response time to response headers
upgrade leaflet to 7.3
Merge pull request #212 from Wikia/MWEB-977

Mweb 977
Cache buster paths reorganized
Prepared gulp tasks for unit tests
Created 'test' task
Fixed unit tests, added option --nobuild to testing tasks
Fixed coverage task
Cleaned up package.json