Update moq.netcore to 4.4.0. The old version didn't specify its dependencies...

Update moq.netcore to 4.4.0.  The old version didn't specify its dependencies for the 'dotnet' group.

StackExchange.Redis.Tests_dnxcore50/StackExchange.Redis.Tests/Program.cs

@@ -8,7 +8,7 @@ public class Program
     {
         public int Main(string[] args)
         {
-            return new AutoRun().Execute(typeof(AsyncTests).GetTypeInfo().Assembly, Console.Out, Console.In, args);
+            return new AutoRun().Execute(typeof(TestBase).GetTypeInfo().Assembly, Console.Out, Console.In, args);
         }
     }
 }
\ No newline at end of file

StackExchange.Redis.Tests_dnxcore50/StackExchange.Redis.Tests/project.json

@@ -30,7 +30,7 @@
         "System.Reflection.Extensions": "4.0.1-beta-*",
         "System.Threading.Tasks.Parallel": "4.0.1-beta-*",
         "Microsoft.CSharp": "4.0.0-beta-*",
-        "moq.netcore": "4.3.0.0",
+        "moq.netcore": "4.4.0",
         "nunit": "3.0.1-beta-5",
         "nunitlite": "3.0.1-beta-5"
       }

StackExchange.Redis_dnxcore50/StackExchange.Redis/project.json

@@ -23,7 +23,7 @@
       "dependencies": {
         "System.Diagnostics.Debug": "4.0.0",
         "System.Diagnostics.TraceSource": "4.0.0-beta-*",
-        "System.Diagnostics.Tools": "4.0.0-beta-*",
+        "System.Diagnostics.Tools": "4.0.0",
         "System.IO.Compression": "4.0.0",
         "System.Globalization": "4.0.10",
         "System.Linq": "4.0.0",
@@ -39,7 +39,7 @@
         "System.Security.Cryptography.Algorithms": "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.Text.RegularExpressions": "4.0.10",
         "System.Threading": "4.0.0",
         "System.Threading.Thread": "4.0.0-*",
         "System.Threading.ThreadPool": "4.0.10-beta-*",