Please add licence

I have created an Apache 2.0 licence file [With Copyright credits to: Yiannis Karadimas (yiannisk) ]

**Only accept this pull request if you are happy to licence Service-Wrapper under the Apache 2.0 licence**
*If you do not want to, then I will delete this branch so there is no confusion.*



I have also (Accidentally) upgraded to Visual Studio 2013 as well.