outdated dependencies in webapi

[vmartynets]

Outdated dependencies in webapi example:

• Microsoft.AspNet.Cors 5.0.0 -> 5.2.3
• Microsoft.AspNet.WebApi 5.1.2 -> 5.2.3
• Microsoft.AspNet.WebApi.Client 5.2.0 -> 5.2.3
• Microsoft.AspNet.WebApi.Core 5.2.0 -> 5.2.3
• Microsoft.AspNet.WebApi.Owin 5.2.0 -> 5.2.3
• Microsoft.AspNet.WebApi.WebHost 5.1.2 -> 5.2.3
• Microsoft.Owin 2.1.0 -> 3.0.1
• Microsoft.Owin.Cors 2.1.0 -> 3.0.1
• Microsoft.Owin.Hosting 2.1.0 -> 3.0.1
• Microsoft.Owin.Security 2.1.0 -> 3.0.1
• Microsoft.Owin.Security.Jwt 2.1.0 -> 3.0.1
• Microsoft.Owin.Securit.Oauth 2.1.0 -> 3.0.1
• Newtonsoft.Json 4.5.11 -> 8.0.2
• System.IdentityModel.Tokens.Jwt 3.0.2 -> 4.0.2.206221351