[MERGE] selftest fails if the committer name contains non-ASCII characters

[John Arbash Meinel]

John Arbash Meinel has voted tweak.
Status is now: Semi-approved
Comment:
+    * Use UTF-8 encoded StringIO for log tests, to avoid failues on
+      non-ASCII committer name.  (Lukáš Lalinský)

"avoid failures"
But we can clean that up when we merge it.


For details, see: 
http://bundlebuggy.aaronbentley.com/request/%3C1186586988.6203.23.camel%40nemo%3E