Update project properties for stubs generation

***NO_CI***

Signed-off-by: josesimoes <[email protected]>

Author: josesimoes

source/nanoFramework.CoreLibrary/CoreLibrary.nfproj

@@ -37,10 +37,9 @@
   <PropertyGroup>
     <NFMDP_PE_NoBitmapCompression>true</NFMDP_PE_NoBitmapCompression>
     <!-- we like verbose -->
-    <NFMDP_PE_Verbose>true</NFMDP_PE_Verbose>
-    <NFMDP_PE_VerboseMinimize>true</NFMDP_PE_VerboseMinimize>
-    <NFMDP_STUB_GenerateSkeletonFile>Stubs\corlib_native</NFMDP_STUB_GenerateSkeletonFile>
-    <NFMDP_STUB_GenerateSkeletonProject>corlib_native</NFMDP_STUB_GenerateSkeletonProject>
+    <NFMDP_STUB_Verbose>true</NFMDP_STUB_Verbose>
+    <NF_GenerateStubsDirectory>bin\$(Configuration)\Stubs</NF_GenerateStubsDirectory>
+    <NF_GenerateSkeletonProjectName>corlib_native</NF_GenerateSkeletonProjectName>
     <!-- this is one is absolutly mandatory for the base class library -->
     <NFMDP_STUB_SkeletonWithoutInterop>true</NFMDP_STUB_SkeletonWithoutInterop>
   </PropertyGroup>