Initial implementation, not tested
gpslocation operator
test of the grahamscan in the convexhull class
debugging of the grahamscan
documentation
override tostring method of GPSLocation
include test of convex hull
added equal function to GPSLocation
Merge remote-tracking branch 'origin/convexhull#17'
Merge branch 'master' of github.com:sw701e14/code

Conflicts:
	CityBikes/Library/GeneratedDatabaseModel/GPSLocation.cs
Merge branch 'master' of https://github.com/sw701e14/code into Clustering#15
added test case
test