[llvm.py] Initial skeleton for Python LLVM bindings

This contains a semi-functional skeleton for the implementation of the
LLVM bindings for Python.

The API for the Object.h interface is roughly designed but not
implemented. MemoryBufferRef is implemented and actually appears to
work!

The ObjectFile unit test fails with a segmentation fault because the
LLVM library isn't being properly initialized. The build system doesn't
know about this code yet, so no alerts should fire.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152397 91177308-0d34-0410-b5e6-96231b3b80d8

bindings/python/tests/test_object.py

@@ -0,0 +1,9 @@
+from llvm.common import find_library
+from llvm.object import ObjectFile
+
+import unittest
+
+class TestObjectFile(unittest.TestCase):
+    def test_create_from_file(self):
+        source = find_library()
+        of = ObjectFile(filename=source)