20140219 - TaggingService.cs / CreateRegistrationWithTags()

- Started TaggingServices.cs file
- Added CreateRegistrationWithTags to RegistrationService.cs
20140611 - Reverting *.csproj to default state

So my merge with the TaggingService stuff can hopefully be used now (?)
Merge pull request #6 from cemerson/master

20140219 - TaggingService.cs / CreateRegistrationWithTags()