Classes for geo-locations and sets of them, according to issue #3.

...e/src/main/java/tdt4140/gr1800/app/core/GeoLocations.java

...p.core/src/main/java/tdt4140/gr1800/app/core/LatLong.java

...c/test/java/tdt4140/gr1800/app/core/GeoLocationsTest.java