Transition to netstandard.

- dotnet5.X => netstandard1.y (where y = x-1).
- DNXCore50 => netstandardapp1.5.
- Applied the same changes to ifdefs.

src/MusicStore/project.json

@@ -56,15 +56,20 @@
     "web": "MusicStore"
   },
   "frameworks": {
-    "dnx451": { },
-    "dnxcore50": {
+    "dnx451": {},
+    "netstandardapp1.5": {
       "dependencies": {
         "NETStandard.Library": "1.0.0-*"
       },
-      "imports": "portable-net451+win8"
+      "imports": [
+        "dnxcore50",
+        "portable-net451+win8"
+      ]
     }
   },
   "scripts": {
-    "postpublish": [ "dotnet publish-iis --publish-folder %publish:OutputPath%" ]
+    "postpublish": [
+      "dotnet publish-iis --publish-folder %publish:OutputPath%"
+    ]
   }
 }

test/E2ETests/project.json

@@ -15,14 +15,17 @@
     "xunit": "2.1.0"
   },
   "frameworks": {
-    "dnxcore50": {
+    "netstandardapp1.5": {
       "dependencies": {
         "System.Data.SqlClient": "4.0.0-*",
         "System.Net.Http": "4.0.1-*",
         "System.Xml.XmlDocument": "4.0.0-*",
         "dotnet-test-xunit": "1.0.0-dev-*"
       },
-      "imports": "portable-net451+win8"
+      "imports": [
+        "dnxcore50",
+        "portable-net451+win8"
+      ]
     }
   },
   "testRunner": "xunit"

test/MusicStore.Test/project.json

@@ -9,13 +9,16 @@
     "XUnit": "2.1.0"
   },
   "frameworks": {
-    "dnxcore50": {
-      "imports": "portable-net451+win8",
+    "netstandardapp1.5": {
+      "imports": [
+        "dnxcore50",
+        "portable-net451+win8"
+      ],
       "dependencies": {
         "dotnet-test-xunit": "1.0.0-dev-*"
       }
     },
-    "dnx451": { }
+    "dnx451": {}
   },
   "testRunner": "xunit"
-}
+}