Merge pull request #25 from MDikkii/windows_phone

Windows phone
Fixed code formating; Moved and renamed (I)DataServiceModel and (I)OptionServiceModel to DataServices namespace
Moved interfaces files to separate folder
Renamed  every DataService instance;
Renamed DataServiceTests
Merge pull request #39 from bukal260/windows_phone

[WP] Some fixing
premerged commit
Merge remote-tracking branch 'remotes/upstream/windows_phone' into windows_phone

Conflicts:
	MyGuide/MyGuide/ViewModels/SightseeingPageViewModel.cs