0.6dev: Reverting [677] as many of these paths are also used for URLs, and hadn't considered this change enough. No major point in changing code that already works well, so simply reverting seems the best idea...

--- a/bitten/build/monotools.py
+++ b/bitten/build/monotools.py
@@ -15,6 +15,7 @@
 from glob import glob
 import logging
 import os
+import posixpath
 import shlex
 import tempfile