Installed osd/patchBasis and osd/patchBasisTypes

Providing these as public headers in opensubdiv/osd allows client code
to implement evaluation kernels in their own TBB, CUDA, OMP, GCD, etc.
code without needing an implementation within the osd codebase.

Tested with C++, CUDA, and oneTBB client kernels.

Author: davidgyu

opensubdiv/osd/CMakeLists.txt

@@ -52,12 +52,18 @@ set(PUBLIC_HEADER_FILES
     types.h
 )
 
-list(APPEND KERNEL_FILES
+set(DOXY_HEADER_FILES ${PUBLIC_HEADER_FILES})
+
+# These are public but excluded from doxygen
+list(APPEND PUBLIC_HEADER_FILES
     patchBasisTypes.h
     patchBasis.h
 )
 
-set(DOXY_HEADER_FILES ${PUBLIC_HEADER_FILES})
+list(APPEND KERNEL_FILES
+    patchBasisTypes.h
+    patchBasis.h
+)
 
 #-------------------------------------------------------------------------------
 set(OPENMP_PUBLIC_HEADERS