adding debug information for ip verification
enabling proxy in express
trying to check req.ip
removing req because of error
changing capitalization in header
adjusting header to corresponding one on server
merging server
OSM range adjusted

range was too big -> too much results to display in the selectbox
directly
initCategories fix

var osmCategoryRestaurants now contains all Restaurants, so
addCategoryRestaurants() can add all restaurants of a certain cusine to
var cuisineRestaurants
Bugfix: Cuisine data for select2
deleting npm debug log and updating comments in index.js for ip clarification
creating route for vote checking
merging feature ip branch with master
Merge branch 'feature/test-ip-verification2'