fix dependency (#209)

Author: stephenegriffin

MAPIInspector/Source/MAPIInspector.csproj

@@ -80,7 +80,8 @@
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\Test\MAPIAutomationTest\ExternalReference\Newtonsoft.Json.dll</HintPath>
+      <HintPath>$(FiddlerPath)\Newtonsoft.Json.dll</HintPath>
+      <Private>False</Private>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Configuration" />