fixed bug with function call in  maps routes.

problem caused by clean up of repo. the function call needed only the express.res object.

[fixed #56]
added functionality for mapping by your lat lng request.

the added routes add functionality for query based on proximity
Moved the route of by spatial to a genarel route by query
added a route for downloading all the GeoJSON objects

This req will be auth.
fixed route for all entities GeoJSON request.

after auth. user should obtain all entities in the system.
in a GeoJSON object.

[fixed #57]