UnitTest: Sync intermediate and output folders with sibling projects

Signed-off-by: Simon Rozman <simon@rozman.si>

UnitTests/.gitignore

@@ -1,10 +1,3 @@
+/.tmp
 /.vs
 /*.user
-/UnitTests/Debug
-/UnitTests/Release
-/UnitTests/x64/Debug
-/UnitTests/x64/Release
-/x64/Debug
-/x64/Release
-/x86/Debug
-/x86/Release

UnitTests/UnitTests.vcxproj

@@ -64,7 +64,8 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup>
-    <OutDir>$(SolutionDir)\$(PlatformTarget)\$(Configuration)\</OutDir>
+    <OutDir>$(SolutionDir).tmp\$(ShortProjectName)\$(PlatformTarget)\$(Configuration)\</OutDir>
+    <IntDir>$(SolutionDir).tmp\$(ShortProjectName)\$(PlatformTarget)\$(Configuration)\</IntDir>
     <RunCodeAnalysis>true</RunCodeAnalysis>
     <CodeAnalysisRuleSet>NativeRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>