Test directory refactoring step 1.

Moving TestProjects and TestPackages under root 'TestAssets' folder.

Partial fix #1250

TestAssets/TestProjects/TestBindingRedirectGeneration/TestLibraryGreater/Program.cs

@@ -0,0 +1,4 @@
+
+public class P{
+	public static void Main() { var t = typeof(Newtonsoft.Json.JsonConvert); }
+} 

TestAssets/TestProjects/TestBindingRedirectGeneration/TestLibraryGreater/project.json

@@ -0,0 +1,17 @@
+{
+    "version": "1.0.0-*",
+    "testRunner": "xunit",
+    "dependencies": {
+        "Newtonsoft.Json": "7.0.1"
+    },
+
+    "frameworks": {
+        "net451": { },
+        "dnxcore50": {
+            "imports" : "portable-net45+wp80+win8",
+            "dependencies": {  
+                "NETStandard.Library": "1.0.0-rc2-23805"
+            }
+        }
+    }
+}

TestAssets/TestProjects/TestBindingRedirectGeneration/TestLibraryLesser/Program.cs

@@ -0,0 +1,4 @@
+
+public class P{
+	public static void Main() { var t = typeof(Newtonsoft.Json.JsonConvert); }
+} 

TestAssets/TestProjects/TestBindingRedirectGeneration/TestLibraryLesser/project.json

@@ -0,0 +1,18 @@
+{
+    "version": "1.0.0-*",
+    "testRunner": "xunit",
+    "dependencies": {
+        "Newtonsoft.Json": "6.0.0",
+        "TestLibraryGreater": {"target":"project"}
+    },
+
+    "frameworks": {
+        "net451": { },
+        "dnxcore50": {
+            "imports" : "portable-net45+wp80+win8",
+            "dependencies": {  
+                "NETStandard.Library": "1.0.0-rc2-23805"
+            }
+        }
+    }
+}

TestAssets/TestProjects/TestBindingRedirectGeneration/global.json

@@ -0,0 +1,3 @@
+{
+    "projects": [ "."]
+}