Merge pull request #854 from bmwiedemann/python3

Use python3 in osc-wrapper

osc-wrapper.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # this wrapper exists so it can be put into /usr/bin, but still allows the
 # python module to be called within the source directory during development