New place popup improved and note field added.
Gemfile updated with some usual suspect gems.
ph..... API for adding new places added.
Totally refactoring of Categories. All calls of the controller are now JSON-API-Calls. Connection to the views removed.
Auto-loading of the categories and rendering in the navigation menu on the page loading added.
Empty view added for adding a new category.
Navigation view for adding a new category implemented.
Markers as single model removed.
Loading of markers changed
Settings for the default map position moved in the global configuration file.
Merge branch 'api_refactoring' into develop