Merge pull request #9 from Johnmalc/master

Neu, bearbeitet version
added some more comments and deleted some unnecessary code
some major improvements
reduced class NetworkDataSource to a minmum
added button in the AR app to get back to googleMap
finally succeeded to zoom automatically to my current position on start up of google maps. yeah
added some more comments..
next steps: adding more comments + sources
reducing much more code, for example: removing the radar class and the zoom bar cause its to complicate  to declare someone how the classes works
Merge pull request #14 from lollolk/master

ok sehr gut