Switch to side-by-side view

--- a/Allura/allura/model/repository.py
+++ b/Allura/allura/model/repository.py
@@ -145,7 +145,7 @@
             try:
                 readme = self.get_blob(fn).text
                 break
-            except AttributeError:
+            except (AttributeError, KeyError), _:
                 readme = ''
         return readme