Moving dependencies so there in one place

- Removed lib folder from Test projects.
- Added native folder to Bindings using release build with debug info.
- Updated Test projects to use new location ,

Test.NetCoreRT/Test.NetCoreRT.csproj

@@ -29,8 +29,8 @@
   <Import Project="..\Examples\Examples.projitems" Label="Shared" />
   <Import Project="..\Examples\Examples.projitems" Label="Shared" />
   <Target Name="TestTarget" AfterTargets="Build">
-    <Copy Condition=" '$(Platform)' == 'x86' " SourceFiles="lib\x86\raylib.dll" DestinationFolder="$(TargetDir)" />
-    <Copy Condition=" '$(Platform)' == 'AnyCPU' " SourceFiles="lib\x86\raylib.dll" DestinationFolder="$(TargetDir)" />
-    <Copy Condition=" '$(Platform)' == 'x64' " SourceFiles="lib\x64\raylib.dll" DestinationFolder="$(TargetDir)" />
+    <Copy Condition=" '$(Platform)' == 'x86' " SourceFiles="..\Bindings\native\x86\raylib.dll" DestinationFolder="$(TargetDir)" />
+    <Copy Condition=" '$(Platform)' == 'AnyCPU' " SourceFiles="..\Bindings\native\x86\raylib.dll" DestinationFolder="$(TargetDir)" />
+    <Copy Condition=" '$(Platform)' == 'x64' " SourceFiles="..\Bindings\native\x64\raylib.dll" DestinationFolder="$(TargetDir)" />
   </Target>
 </Project>