organizes solution structure

moves schema and testing projects to misc folder.

Author: arturcic

src/GitVersion.slnx

@@ -1,4 +1,8 @@
 <Solution>
+  <Folder Name="/misc/">
+    <Project Path="GitVersion.Schema/GitVersion.Schema.csproj" />
+    <Project Path="GitVersion.Testing/GitVersion.Testing.csproj" />
+  </Folder>
   <Folder Name="/modules/">
     <Project Path="GitVersion.BuildAgents.Tests/GitVersion.BuildAgents.Tests.csproj" />
     <Project Path="GitVersion.BuildAgents/GitVersion.BuildAgents.csproj" />
@@ -34,6 +38,4 @@
   <Project Path="GitVersion.Core/GitVersion.Core.csproj" />
   <Project Path="GitVersion.MsBuild.Tests/GitVersion.MsBuild.Tests.csproj" />
   <Project Path="GitVersion.MsBuild/GitVersion.MsBuild.csproj" />
-  <Project Path="GitVersion.Schema/GitVersion.Schema.csproj" />
-  <Project Path="GitVersion.Testing/GitVersion.Testing.csproj" />
 </Solution>