added HEAD, Status Number and ContentType

- added HEAD, Status Number and ContentType for responses
- added HEAD, Status Number and ContentType for errors
added map navigation / starting point

it is now possible to go to a video over a point popup on the map
(setup a starting point/video)
Merge branch 'master' of https://github.com/TobiTobsen92/IPED-Development

Conflicts:
	public/js/iped.js