Add an Asp.Net 5 project. The PCL seems unable to find many dependencies.

StackExchange.Redis_dnxcore50/StackExchange.Redis/StackExchange.Redis.xproj

+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">14.0</VisualStudioVersion>
+    <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
+  </PropertyGroup>
+  <Import Project="$(VSToolsPath)\DNX\Microsoft.DNX.Props" Condition="'$(VSToolsPath)' != ''" />
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>86526b5c-1163-4481-a5e2-a303a0bb1535</ProjectGuid>
+    <RootNamespace>StackExchange.Redis</RootNamespace>
+    <BaseIntermediateOutputPath Condition="'$(BaseIntermediateOutputPath)'=='' ">..\..\artifacts\obj\$(MSBuildProjectName)</BaseIntermediateOutputPath>
+    <OutputPath Condition="'$(OutputPath)'=='' ">..\..\artifacts\bin\$(MSBuildProjectName)\</OutputPath>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <SchemaVersion>2.0</SchemaVersion>
+  </PropertyGroup>
+  <Import Project="$(VSToolsPath)\DNX\Microsoft.DNX.targets" Condition="'$(VSToolsPath)' != ''" />
+</Project>
\ No newline at end of file

StackExchange.Redis_dnxcore50/StackExchange.Redis/project.json

+{
+  "version": "1.0.0-*",
+  "description": "StackExchange.Redis",
+  "authors": [ "jeremymeng" ],
+  "tags": [ "" ],
+  "projectUrl": "",
+  "licenseUrl": "",
+
+  "compile": [
+    "../../StackExchange.Redis/**/*.cs"
+  ],
+
+  "dependencies": {
+  },
+
+  "frameworks": {
+    "dnxcore50": {
+      "compilationOptions": {
+        "define": [ "NETCORE" ],
+        "allowUnsafe": true,
+        "warningsAsErrors": false
+      },
+      "dependencies": {
+        "System.ComponentModel.Primitives": "4.0.0",
+        "System.Diagnostics.Debug": "4.0.0",
+        "System.Diagnostics.TraceSource": "4.0.0-beta-*",
+        "System.Diagnostics.Tracing": "4.0.20",
+        "System.IO.Compression": "4.0.0",
+        "System.Linq": "4.0.0",
+        "System.Net.Primitives": "4.0.10",
+        "System.Net.Sockets": "4.1.0-beta-*",
+        "System.Net.Security": "4.0.0-beta-*",
+        "System.Net.NameResolution": "4.0.0-beta-*",
+        "System.Reflection": "4.0.0",
+        "System.Reflection.Emit": "4.0.0",
+        "System.Reflection.TypeExtensions": "4.0.0",
+        "System.Reflection.Primitives": "4.0.0",
+        "System.Reflection.Emit.Lightweight": "4.0.0",
+        "System.Security.Cryptography.Algorithms": "4.0.0-beta-*",
+        "System.Security.Cryptography.Hashing": "4.0.0-beta-*",
+        "System.Security.Cryptography.Hashing.Algorithms": "4.0.0-beta-*",
+        "System.Security.Cryptography.X509Certificates": "4.0.0-beta-*",
+        "System.Text.RegularExpressions": "4.0.0",
+        "System.Threading": "4.0.0",
+        "System.Threading.Thread": "4.0.0-*",
+        "System.Threading.ThreadPool": "4.0.10-beta-*",
+        "System.Threading.Tasks": "4.0.0"
+      }
+    }
+  }
+}
\ No newline at end of file

global.json

+{
+  "sdk": {
+    "version": "1.0.0-beta5",
+    "runtime": "coreclr",
+    "architecture": "x86"
+  }
+}