Add NUnitTestAdapter for NUnit2 to the solution to run test in Visual Studio.

Author: rstam

src/MongoDB.Bson.Tests/MongoDB.Bson.Tests.csproj

@@ -67,10 +67,26 @@
       <HintPath>..\packages\NSubstitute.1.8.2.0\lib\net45\NSubstitute.dll</HintPath>
       <Private>True</Private>
     </Reference>
+    <Reference Include="nunit.core, Version=2.6.4.14350, Culture=neutral, PublicKeyToken=96d09a1eb7f44a77, processorArchitecture=MSIL">
+      <HintPath>..\packages\NUnitTestAdapter.2.0.0\lib\nunit.core.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
+    <Reference Include="nunit.core.interfaces, Version=2.6.4.14350, Culture=neutral, PublicKeyToken=96d09a1eb7f44a77, processorArchitecture=MSIL">
+      <HintPath>..\packages\NUnitTestAdapter.2.0.0\lib\nunit.core.interfaces.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
     <Reference Include="nunit.framework, Version=2.6.4.14350, Culture=neutral, PublicKeyToken=96d09a1eb7f44a77, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
     </Reference>
+    <Reference Include="nunit.util, Version=2.6.4.14350, Culture=neutral, PublicKeyToken=96d09a1eb7f44a77, processorArchitecture=MSIL">
+      <HintPath>..\packages\NUnitTestAdapter.2.0.0\lib\nunit.util.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
+    <Reference Include="NUnit.VisualStudio.TestAdapter, Version=2.0.0.0, Culture=neutral, PublicKeyToken=4cb40d35494691ac, processorArchitecture=MSIL">
+      <HintPath>..\packages\NUnitTestAdapter.2.0.0\lib\NUnit.VisualStudio.TestAdapter.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Runtime.Serialization" />

src/MongoDB.Bson.Tests/packages.config

@@ -3,4 +3,5 @@
   <package id="FluentAssertions" version="3.5.0" targetFramework="net45" />
   <package id="NSubstitute" version="1.8.2.0" targetFramework="net45" />
   <package id="NUnit" version="2.6.4" targetFramework="net45" />
+  <package id="NUnitTestAdapter" version="2.0.0" targetFramework="net45" />
 </packages>