Fixes #1027, the previous fix had a problem under windows.

Ensure that scripts are newline-terminated, apparently py3 complains when there's a missing newline and the last line ends in a comment.  This is probably a python bug, but we should protect against it nonetheless.

IPython/utils/py3compat.py

@@ -158,7 +158,7 b' else:'
             # The rstrip() is necessary b/c trailing whitespace in files will
             # cause an IndentationError in Python 2.6 (this was fixed in 2.7,
             # but we still support 2.6).  See issue 1027.
-            scripttext = __builtin__.open(fname).read().rstrip()
+            scripttext = __builtin__.open(fname).read().rstrip() + '\n'
             # compile converts unicode filename to str assuming
             # ascii. Let's do the conversion before calling compile
             if isinstance(fname, unicode):