moved GuidConvertTest to root test project

Author: odelvalle

Slapper.AutoMapper.Tests/ConvertersTests/GuidConverterTests.cs renamed to Slapper.AutoMapper.Tests/GuidConverterTests.cs

@@ -45,7 +45,7 @@
   <ItemGroup>
     <Compile Include="ArrayTests.cs" />
     <Compile Include="ComplexMapsParentsAndChlidTest.cs" />
-    <Compile Include="ConvertersTests\GuidConverterTests.cs" />
+    <Compile Include="GuidConverterTests.cs" />
     <Compile Include="EmptyList.cs" />
     <Compile Include="HashCollisionTests.cs" />
     <Compile Include="MapCollectionsTypedTest.cs" />