Some samples have incorrect dependencies

[javiercn]

Errors in C:\work\Universe\Entropy\samples\Localization.StarterWeb\project.json
Package Microsoft.Extensions.Configuration.FileProviderExtensions 1.0.0-rc1-final is not compatible with netcoreapp1.0 (.NETCoreApp,Version=v1.0). Package Microsoft.Extensions.Configuration.FileProviderExten
sions 1.0.0-rc1-final supports:
- dotnet5.4 (.NETPlatform,Version=v5.4)
- net451 (.NETFramework,Version=v4.5.1)
- netcore50 (.NETCore,Version=v5.0)
One or more packages are incompatible with .NETCoreApp,Version=v1.0.

Errors in C:\work\Universe\Entropy\samples\MusicStore.Spa\project.json
Package AutoMapper 4.0.0-alpha1 is not compatible with netcoreapp1.0 (.NETCoreApp,Version=v1.0). Package AutoMapper 4.0.0-alpha1 supports:
- dnx46 (DNX,Version=v4.6)
- dnxcore50 (DNXCore,Version=v5.0)
- monoandroid (MonoAndroid,Version=v0.0)
- monotouch (MonoTouch,Version=v0.0)
- net45 (.NETFramework,Version=v4.5)
- portable-net45+win8+wp8+wpa81 (.NETPortable,Version=v0.0,Profile=Profile259)
- sl5 (Silverlight,Version=v5.0)
- win (Windows,Version=v0.0)
- wp8 (WindowsPhone,Version=v8.0)
- wpa81 (WindowsPhoneApp,Version=v8.1)
- xamarinios10 (Xamarin.iOS,Version=v1.0)
One or more packages are incompatible with .NETCoreApp,Version=v1.0.

Errors in C:\work\Universe\Entropy\samples\Mvc.FileUpload\project.json
Package Newtonsoft.Json 7.0.1 is not compatible with netcoreapp1.0 (.NETCoreApp,Version=v1.0). Package Newtonsoft.Json 7.0.1 supports:
- net20 (.NETFramework,Version=v2.0)
- net35 (.NETFramework,Version=v3.5)
- net40 (.NETFramework,Version=v4.0)
- net45 (.NETFramework,Version=v4.5)
- portable-dnxcore50+net45+win8+wp8+wpa81 (.NETPortable,Version=v0.0,Profile=net45+wp80+win8+wpa81+dnxcore50)
- portable-net40+sl5+win8+wp8+wpa81 (.NETPortable,Version=v0.0,Profile=Profile328)
One or more packages are incompatible with .NETCoreApp,Version=v1.0.

[muratg]

@JunTaoLuo Could you clean this up?