Add a PCBuild8 build directory for building with Visual Studio .NET 2005.  Contains a special project to perform profile guided optimizations on the pythoncore.dll, by instrumenting and running pybench.py
diff --git a/PCbuild8/rmpyc.py b/PCbuild8/rmpyc.py
new file mode 100644
index 0000000..95de0f6
--- /dev/null
+++ b/PCbuild8/rmpyc.py
@@ -0,0 +1,25 @@
+# Remove all the .pyc and .pyo files under ../Lib.

+

+

+def deltree(root):

+    import os

+    from os.path import join

+

+    npyc = npyo = 0

+    for root, dirs, files in os.walk(root):

+        for name in files:

+            delete = False

+            if name.endswith('.pyc'):

+                delete = True

+                npyc += 1

+            elif name.endswith('.pyo'):

+                delete = True

+                npyo += 1

+

+            if delete:

+                os.remove(join(root, name))

+

+    return npyc, npyo

+

+npyc, npyo = deltree("../Lib")

+print npyc, ".pyc deleted,", npyo, ".pyo deleted"