Remove #if NET45s for IPAddress, X509Certificate.

src/Microsoft.AspNet.HttpFeature/IHttpConnection.cs

@@ -1,15 +1,11 @@
-#if NET45
 using System.Net;
-#endif
 
 namespace Microsoft.AspNet.HttpFeature
 {
     public interface IHttpConnection
     {
-#if NET45
         IPAddress RemoteIpAddress { get; set; }
         IPAddress LocalIpAddress { get; set; }
-#endif
         int RemotePort { get; set; }
         int LocalPort { get; set; }
         bool IsLocal { get; set; }

src/Microsoft.AspNet.HttpFeature/IHttpTransportLayerSecurity.cs

@@ -1,15 +1,12 @@
-#if NET45
+
 using System.Security.Cryptography.X509Certificates;
-#endif
 using System.Threading.Tasks;
 
 namespace Microsoft.AspNet.HttpFeature
 {
     public interface IHttpTransportLayerSecurity
     {
-#if NET45
         X509Certificate ClientCertificate { get; set; }
-#endif
         Task LoadAsync();
     }
 }

src/Microsoft.AspNet.HttpFeature/project.json

@@ -5,9 +5,11 @@
     "k10": {
       "dependencies": {
         "System.IO": "4.0.0.0",
+        "System.Net.Primitives": "4.0.10.0",
         "System.Runtime": "4.0.20.0",
         "System.Runtime.InteropServices": "4.0.20.0",
         "System.Security.Claims": "0.1-alpha-*",
+        "System.Security.Cryptography.X509Certificates": "4.0.0.0",
         "System.Security.Principal": "4.0.0.0",
         "System.Threading.Tasks": "4.0.10.0"
       }